Uniden MHS338BT Floating Handheld Marine VHF Radio
4.2Editor score
Integrated GPS and Bluetooth
Man Overboard Feature
6-Watt Transmit Power
In this guide
Marine handheld radios are essential safety equipment for any boater. They provide reliable communication with coast guards, other vessels, and emergency services when you are out on the water. Choosing the right model ensures you stay connected and secure during your adventures.
We compared ten top-rated marine handheld radios based on water resistance, battery life, transmission power, and special features like floating designs and weather alerts. Our analysis focuses on real-world usability for sailors, kayakers, and fishermen who need dependable gear.
Each product pick highlights key specifications, pros, and cons to help you make an informed decision. Prices and availability can change frequently, so check the latest listings before purchasing to ensure you get the best deal for your needs.
Top 3 Picks for Best Marine Handheld Radios
Icom M25EVO Blue Marine VHF Radio
4.9Editor score
USB-C Fast Charging
11-Hour Battery Life
Lightweight Floating Design
Uniden Atlantis 155 Handheld Two-Way VHF Marine Radio
4.1Editor score
IPX8 Submersible Waterproof
Dual-Color Screen
10 Hour Battery
Top 10 Best Marine Handheld Radios in 2026 Compared
The following comparison table provides a side-by-side overview of all ten models evaluated in this guide. It highlights key specifications such as power output, waterproof ratings, and unique features to help you quickly identify the best fit for your boating style.
ProductsSpecificationsEditor scorePrice
Best Budget
Cobra BlueBound 350 White
6 Watt Power Output
IPX7 Waterproof Rating
Tri-Watch Mode
Floats with Orange Core
4.5Editor score
Editor's Choice
Cobra BlueBound 350 Black
6 Watt Power Output
IPX7 Waterproof Rating
Tri-Watch Mode
Floats with Orange Core
4.5Editor score
Best Premium
Standard Horizon HX210
6W/2.5W/1W Output
IPX7 Waterproof Rating
Emergency Strobe Light
FM Broadcast Receiver
4.6Editor score
Uniden Atlantis 275
6 Watt Power Output
IPX8 Submersible
Large Dual-Color Screen
Built-in Flashlight
4.6Editor score
Uniden MHS75
1/2.5/5 Watt Power
JIS8 Waterproof Level
Triple Watch Mode
Floats Design
4.4Editor score
Uniden Atlantis 155
3 Watt Power Output
IPX8 Submersible
10 Hour Battery
NiMH Rechargeable
4.1Editor score
Icom M25EVO Blue
11-Hour Battery Life
USB-C Charging
IPX7 Waterproof
Lightweight 7.8oz
4.9Editor score
Retevis RM21
5W/3W/1W Switch
AI Noise Cancellation
IP67 Waterproof
Dual-Band Watch
4.4Editor score
Cobra BlueBound 150
3 Watt Power Output
IPX7 Waterproof
Dual-Watch Mode
AAA Battery Compatible
4.2Editor score
Uniden MHS338BT
6-Watt Transmit Power
Integrated GPS
Bluetooth Capable
Water Activated Strobe
4.2Editor score
1. Icom M25EVO Blue Marine VHF Radio – Best Overall
Icom M25EVO Blue Marine VHF Radio
11 Hour Battery Life
USB Type-C Charging
IPX7 Waterproof Rating
7.8 Ounce Weight
The Icom M25EVO Blue Marine VHF Radio stands out as the top choice for modern boaters. With a stellar 4.9 rating, it combines essential safety features with contemporary convenience like USB-C charging. It is designed for those who value reliability and ease of use on the water.
Pros
- Exceptional battery longevity
- Modern USB-C charging
- Very lightweight build
- High user rating
- Reliable brand support
Cons
- Higher price point
- Basic feature set
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Its standout qualities include an 11-hour battery life that ensures communication throughout long days offshore. The USB Type-C charging allows you to power up using standard power banks or ports found on many modern vessels. Additionally, its lightweight 7.8-ounce frame makes it easy to carry without fatigue.
While the price is higher than entry-level models, the durability and convenience features justify the investment. Some users might find the feature set basic compared to GPS-enabled units, but for pure communication reliability, it excels. It strikes a balance between ruggedness and modern usability.
This radio is ideal for recreational boaters, kayakers, and sailors who prioritize battery life and charging convenience. If you need a dependable tool that keeps you safe without complexity, the M25EVO is the best investment. It simplifies marine communication while maintaining professional standards.
Modern Charging Convenience
The inclusion of USB-C fast charging means you can use universal power sources to keep your radio ready during extended trips.
Extended Operational Life
With 11 hours of battery life, you can rely on this device for long fishing trips or offshore sailing without worrying about immediate recharging.
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2. Uniden MHS338BT Floating Handheld Marine VHF Radio – Premium Feature Set
Uniden MHS338BT Floating Handheld Marine VHF Radio
Integrated GPS Navigation
Bluetooth Connectivity
6 Watt Transmit Power
Water Activated Strobe
The Uniden MHS338BT offers a premium suite of features designed for serious boaters. It includes integrated GPS to save favorite positions and Bluetooth connectivity to pair with smartphones. This model is perfect for those who want advanced navigation capabilities in a handheld format.
Pros
- Built-in GPS saves positions
- Bluetooth app integration
- Strong 6-watt signal
- Comprehensive safety features
- Submersible IPX8 rating
Cons
- Complex menu navigation
- Higher cost for features
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Its 6-watt transmit power ensures maximum range when you need to reach distant stations. The water-activated emergency strobe light and Man Overboard feature add critical layers of safety. You can also receive NOAA weather alerts and FM radio directly on the unit.
The trade-off for these advanced features is a more complex interface that may require learning time. The price is also higher than basic radios, reflecting the added technology. However, for safety-conscious captains, the GPS and distress features provide peace of mind.
This radio is best for vessel owners who want a handheld unit with integrated navigation and advanced safety protocols. It is suitable for offshore trips where knowing your exact location matters. If you value connectivity and safety features, the MHS338BT is a top contender.
Smartphone Connectivity
Bluetooth capability allows you to use a smartphone app to configure the radio and send text messages to other DSC-capable devices.
Integrated Safety Systems
The built-in GPS and automatic Man Overboard feature ensure you can quickly mark and return to critical locations in emergency scenarios.
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3. Uniden Atlantis 155 Handheld Two-Way VHF Marine Radio – Budget Friendly
Uniden Atlantis 155 Handheld Two-Way VHF Marine Radio
IPX8 Waterproof Rating
Dual-Color LCD Screen
10 Hour Battery Life
NiMH Rechargeable
The Uniden Atlantis 155 provides essential marine communication features at an accessible price point. It features an IPX8 submersible rating, ensuring it works even if dropped into the water. This radio is ideal for casual boaters who need reliable safety gear without premium costs.
Pros
- Affordable price point
- Full IPX8 submersible
- Dual color backlight
- Reliable Uniden brand
- Comes with charging dock
Cons
- Lower power output
- Basic feature set
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Its dual-color LCD screen offers paper white backlight for day and red for night, aiding visibility in all conditions. With a 10-hour battery life, it keeps you connected through standard day trips. It includes all USA, Canadian, and International marine channels plus NOAA weather alerts.
While it does not have advanced GPS or high wattage, it covers the basics effectively. The trade-off is limited range compared to 6-watt models, but it is sufficient for most inland and coastal activities. Its durability and ease of use make it a practical choice.
This model is best for budget-conscious buyers looking for a safe and functional marine radio. If you need a backup unit or a primary tool for small craft, the Atlantis 155 is a strong candidate. It delivers reliable performance where it matters most.
Visibility in All Conditions
The dual-color display adapts to light levels, ensuring you can read channel numbers clearly whether in bright sun or darkness.
Submersible Reliability
Meeting IPX8 standards means the radio can withstand full submersion, making it safe for active use on any vessel.
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4. Cobra BlueBound 350 White – Reliable Performance
Cobra BlueBound 350 White
6 Watt Output Power
Floating Orange Core
IPX7 Waterproof
Day/Night Display
The Cobra BlueBound 350 White is designed for high visibility and reliable marine use. Its orange floating core ensures it stays on the surface if dropped, making retrieval easy. This radio is a solid choice for boaters who prioritize safety and visibility.
Pros
- High visibility floating
- Switchable power levels
- Clear LCD display
- NOAA weather access
- Compact design
Cons
- Uses AAA batteries
- Limited advanced features
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It offers 6 watts of power with switchable levels to optimize battery life. The day/night LCD display provides clear visibility in various lighting conditions. You can monitor multiple channels at once with Tri-Watch mode and stay safe with 12 weather channels.
While it relies on AAA batteries for flexibility, this can mean frequent changes during long trips. The design is compact and simple, which may limit advanced users seeking more tech. However, it delivers core functionality effectively for most recreational scenarios.
This radio is suitable for vessels of any size where simplicity and visibility are key. If you want a straightforward device that you can find in the water, the BlueBound 350 works well. It balances cost with reliable marine communication capabilities.
High Visibility Design
The orange floating core not only keeps the radio safe but also ensures you can spot it quickly in bright or turbulent water.
Power Optimization
Switchable power settings allow you to use less energy for nearby communications while maintaining high output for long-range needs.
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5. Cobra BlueBound 350 Black – Stylish Option
Cobra BlueBound 350 Black
6 Watt Output Power
Floating Orange Core
IPX7 Waterproof
Day/Night Display
The Cobra BlueBound 350 Black offers the same reliability as the white model with a sleek aesthetic. It features the same orange floating core for safety and retrieval. This version appeals to boaters who prefer a more understated look for their gear.
Pros
- Sleek black exterior
- High visibility floating
- Switchable power levels
- Clear LCD display
- NOAA weather access
Cons
- Uses AAA batteries
- Limited advanced features
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It provides 6 watts of power with switchable levels to conserve battery life. The day/night LCD ensures readability in all weather conditions. Tri-Watch mode lets you monitor multiple channels, and NOAA alerts keep you informed of weather changes.
While it uses AAA batteries for power, this offers flexibility during extended use. The compact design makes it easy to store, though it lacks advanced features like GPS. It remains a dependable option for standard marine communication needs.
This model fits well for those who value style alongside function. If you want a radio that matches other dark deck gear, the BlueBound 350 Black is ideal. It delivers solid performance with a modern look.
Aesthetic Appeal
The black finish provides a professional look while maintaining the internal orange float for easy recovery if dropped.
Same Trusted Features
Despite the color change, the core safety and communication features remain consistent with the high-rated BlueBound series.
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6. Standard Horizon HX210 – Trusted Quality
Standard Horizon HX210
6W/2.5W/1W Output
IPX7 Waterproof Rating
3 Year Warranty
FM Radio Included
The Standard Horizon HX210 is known for its rugged build and trusted brand reputation. It offers 6 watts of power to ensure clear communication over distances. This model is designed for those who prioritize durability and warranty support.
Pros
- 3-year warranty
- Strong signal output
- Water activated strobe
- Dot matrix display
- FM broadcast receiver
Cons
- Heavier than others
- Basic menu system
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Its water-activated emergency strobe light enhances safety if the unit is lost overboard. The high-resolution dot matrix display is easy to read in bright sunlight. You can also receive FM radio broadcasts to enjoy music while on the water.
While the warranty is strong, the device is slightly heavier than some competitors. The menu system is simple but may feel dated compared to modern digital interfaces. However, it remains a robust choice for reliable marine communication.
This radio is ideal for professional users or serious boaters who want long-term reliability. If a three-year warranty and solid build quality matter to you, the HX210 is a strong option. It delivers consistent performance without unnecessary complexity.
Extended Warranty Protection
The three-year waterproof warranty provides long-term peace of mind, ensuring your investment is protected against water damage.
Signal Reliability
With selectable power settings up to 6 watts, you maintain strong transmission capabilities even in challenging weather.
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7. Uniden Atlantis 275 – Large Display
Uniden Atlantis 275
6 Watt Transmit Power
IPX8 Submersible
Large Dual-Color Screen
Built-in Flashlight
The Uniden Atlantis 275 stands out for its large dual-color screen that is easy to read in bright sunlight. It features an IPX8 submersible rating and a built-in flashlight for extra utility. This radio is perfect for those needing clear displays on the water.
Pros
- Large readable screen
- IPX8 waterproof rating
- Built-in flashlight
- Emergency strobe
- Comprehensive channel access
Cons
- Battery charging needed
- Larger size
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Its 6-watt power output ensures strong transmission capabilities. The device includes all necessary marine channels and NOAA weather alerts for safety. It is designed to be compact enough to carry easily while remaining robust.
While the screen is a major advantage, the device requires a charging cradle which adds to the setup. The size is larger than some pocket-friendly models. However, the benefits of visibility and waterproofing make it a strong contender for many.
This model fits boaters who need maximum readability and submersible reliability. If you operate in harsh environments where seeing the screen is critical, the Atlantis 275 is excellent. It combines essential features with a high-quality display.
Superior Visibility
The large LCD screen with paper white and red backlight ensures you can read channels and settings without squinting.
Safety Accessories
Built-in emergency strobe and flashlight mean you do not need separate tools for lighting or distress signaling.
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8. Uniden MHS75 – Durable and Compact
Uniden MHS75
1/2.5/5 Watt Power
JIS8 Waterproof Level
Triple Watch Mode
Floats Design
The Uniden MHS75 is a rugged handheld radio known for its JIS8 waterproof rating. It is designed to survive tough conditions and keeps you connected during boating. This model is ideal for users seeking proven reliability at a reasonable cost.
Pros
- JIS8 waterproof rating
- Triple watch function
- Power selectable
- Floats when dropped
- NOAA weather alerts
Cons
- Older model design
- Limited power
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It features selectable transmit power levels to optimize battery usage. The triple watch mode monitors channels 16 and 9 while listening to your selected channel. You also receive all NOAA weather alerts to stay informed of changing conditions.
While it is a reliable unit, it lacks some modern conveniences found in newer models. The design is straightforward but may not suit users wanting advanced digital features. However, it remains a solid tool for basic communication.
This radio suits those who need a durable, no-fuss communication device. If you value simplicity and durability for frequent water use, the MHS75 is a great choice. It offers dependable performance for daily marine operations.
Triple Watch Function
Monitoring multiple channels automatically ensures you never miss emergency or weather broadcasts while talking on another line.
Weather Resilience
The JIS8 rating means the radio can handle heavy spray and accidental submersion without damage.
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9. Retevis RM21 – Noise Cancellation
Retevis RM21
5W/3W/1W Switch
AI Noise Cancellation
IP67 Waterproof
1800mAh Battery
The Retevis RM21 offers AI intelligent noise cancellation to improve voice transmission clarity. It helps reduce engine and wind noise for better communication. This model is beneficial for those operating in noisy marine environments.
Pros
- AI noise reduction
- IP67 waterproof
- High capacity battery
- Dual-band watch
- 7-color backlit LCD
Cons
- Mid-range power output
- Brand recognition
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It has a high-capacity 1800mAh lithium-ion battery for all-day use. The radio supports dual-band watch for instant channel 16 access. You can monitor up to two channels simultaneously while listening to the weather channel.
While it offers strong battery life and noise features, it is less known than major brands. The power output is slightly lower than 6-watt competitors. However, the AI noise cancellation is a unique feature for clear speech.
This radio is suitable for fishermen and boaters in loud environments. If clear communication despite engine noise is a priority, the RM21 stands out. It balances cost with specialized features for better audio.
Clearer Speech
One-button noise cancellation makes it easy to filter out background sound so your message comes through clearly.
Long Battery Operation
With 10 hours of operation, you can rely on this device for long fishing sessions without interruption.
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10. Cobra BlueBound 150 – Compact and Simple
Cobra BlueBound 150
3 Watt Power Output
Floating Orange Core
IPX7 Waterproof
AAA Battery Compatible
The Cobra BlueBound 150 is a compact radio perfect for smaller vessels. It features a floating orange core and IPX7 waterproof rating for safety. This model is great for kayakers or small boat owners who need basic communication.
Pros
- Compact size
- Floating design
- USB-C charging port
- NOAA weather access
- AAA battery option
Cons
- Lower power output
- Limited channel features
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It supports dual-watch mode to monitor channels 9 and 16. You can use rechargeable or alkaline batteries for flexibility. The unit includes NOAA weather alerts to keep you informed of environmental conditions.
While the power is lower, it is sufficient for short-range use. The USB-C port allows for convenient charging of internal batteries. However, it lacks advanced features like GPS or high wattage.
This radio is best for recreational users needing simple, reliable gear. If you want a light, waterproof unit for day trips, the BlueBound 150 is a smart buy. It prioritizes ease of use and safety.
Battery Flexibility
You can switch between rechargeable and alkaline cells depending on availability, ensuring you always have power.
Compact Safety
Its small size makes it easy to carry on kayaks or small boats without adding bulk.
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Buying Guide – How to Choose the Best Marine Handheld Radios
Selecting the right marine handheld radio involves understanding key factors like power, durability, and features. This guide helps you navigate the options to find a device that ensures safety and communication.
Waterproof Rating
Look for a high IPX rating to ensure the device can withstand rain and splash. Ratings like IPX7 or IPX8 mean it can be submerged temporarily without damage. This is critical for safety in dynamic water conditions.
Floating Capability
A floating design ensures the radio stays on the surface if dropped overboard. This feature prevents the loss of expensive equipment and allows for quick retrieval. It is a vital safety aspect for all vessel types.
Power Output
Higher wattage provides longer communication range. Look for models with switchable power levels to conserve battery when close to shore. This balance is essential for optimizing battery life during long trips.
Battery Life
Long battery life ensures communication throughout your trip. Rechargeable lithium-ion batteries are common and convenient. Check the estimated hours of operation to ensure it meets your usage needs.
Weather Alerts
NOAA weather alerts provide critical information about storms. A radio with built-in weather channels helps you avoid dangerous conditions. This feature is non-negotiable for safe navigation.
Display Readability
The screen must be readable in bright sunlight. Look for backlighting or dual-color displays. A clear interface ensures you can operate the radio quickly in emergencies.
Durability
Robust construction handles drops and rough handling. Marine environments are harsh, so the device should be made of tough materials. Long warranties often indicate high build quality.
Connectivity
Bluetooth or USB-C connectivity allows for modern charging and app pairing. These features simplify usage and extend functionality. Consider if these additions justify the cost for your needs.
How to Use and Care for Your Marine Handheld Radios
Before heading out, check that your radio is fully charged and powered on. Familiarize yourself with the channel layout to switch quickly between distress and weather channels. Ensure you know how to adjust power settings to save battery life during long trips.
In an emergency, switch to Channel 16 to broadcast a distress call. Use the SOS or alert features if available. Listen to weather channels regularly to stay informed of approaching storms or adverse conditions on the water.
Store your radio in a dry, secure spot when not in use. Wipe it down with fresh water after exposure to salt water to prevent corrosion. Regularly inspect the battery contacts to ensure they remain clean and functional.
Frequently Asked Questions
What is the difference between waterproof and submersible radios?
Waterproof usually means resistant to splashes, while submersible means the unit can be fully underwater for a period. IPX7 means temporary immersion and IPX8 means longer underwater capability. For safety, submersible is preferred for marine environments.
Do I need a license to use a handheld marine radio?
In many regions, you do not need a license for basic handheld use on recreational boats. However, specific frequencies may require authorization. Check your local maritime regulations to ensure compliance with communication laws.
How long does a typical marine radio battery last?
Most rechargeable models offer 10 to 12 hours of continuous use. Battery life depends on usage patterns like transmitting power and volume. Carry spare batteries for extended trips to avoid running out of power.
Can I use these radios for fishing?
Yes, they are excellent for fishing to coordinate with crew and stay safe. They provide a way to call for help if a fisherman falls overboard. Many models are rugged and float, making them ideal for boats.
What is the range of a 6-watt marine radio?
Range varies by height and terrain, but typically 6 watts reaches 5 to 10 miles. Factors like antenna height and obstruction affect this distance. It is sufficient for most recreational and coastal activities.
How do I clean a marine radio after saltwater exposure?
Wipe the exterior with fresh water and a soft cloth to remove salt. Ensure ports are dry before charging. Regular cleaning prevents corrosion and ensures the device remains functional over time.
Are there radios with GPS functionality?
Yes, some models like the Uniden MHS338BT include built-in GPS. This allows you to save your position and transmit it during distress. It is a great feature for offshore navigation and safety.
What is a Tri-Watch or Dual-Watch mode?
These modes allow you to monitor emergency channels while using another one. Tri-Watch checks channels 16, 9, and your current channel. This ensures you never miss distress calls during normal communication.
Final Thoughts on Choosing the Best Marine Handheld Radios
We reviewed ten top Marine Handheld Radios ranging from budget options to premium models. The Icom M25EVO offers excellent modern features while the Uniden MHS338BT provides advanced GPS capabilities. Budget buyers can rely on the Uniden Atlantis 155 for basic safety.
Prioritize waterproof ratings and floating designs when selecting a unit for your vessel. Battery life and ease of use are also critical for reliable communication. Choosing the right device ensures you stay connected and safe during any water activity.
Prices and availability for marine radios can change quickly online. Always check the latest listings before making a purchase to get the best deal. Investing in a reliable radio is essential for any responsible boater.