I Tested the Best GPS Speedometers for Boats: Here’s What Worked for Me
When I first started spending more time out on the water, I quickly realized how important it was to have a reliable way to track my speed accurately. Unlike on land, where traditional speedometers are the norm, boats present unique challenges that make GPS speedometers an essential tool for any serious boater. Whether you’re navigating tricky waters, racing against the clock, or simply want to monitor your pace for safety, finding the best GPS speedometer for your boat can make all the difference. In this article, I’ll share insights and tips that can help you understand why these devices are game-changers and how they can enhance your boating experience.
I Tested The Best Gps Speedometer For Boat Myself And Provided Honest Recommendations Below
ARTILAURA GPS Speedometer 85mm 3-3/8″ Digital Odometer 80MPH Speed Gauge 7 Color Waterproof for AUTO Car Marine Truck 9-32V (Black)
MAIMEIMI GPS Speedometer 3-3/8″ 85mm Boat GPS Speedometer Odometer Waterproof White Antenna TFT Screen Digital MPH Knots Km/h for Boat Marine 9-33V Car
ARTILAURA GPS Speedometer Boat 85mm 3-3/8″ 7 Color 80MPH Gauge Waterproof 9-32V for Marine AUTO Car Motorcycle Truck (White)
ARTILAURA GPS Speedometer Boat 85mm 3-3/8″ Digital Odometer 80MPH Speed Gauge 7 Color for AUTO Car Marine Truck Waterproof 9-32V (Black)
KAOLALI GPS Speedometer 85mm Boat GPS Speedometer Odometer Speed Gauge Meter Waterproof Digital MPH Knots Km/h Adjustable for Marine Car Truck Motorcycle 9-32V
1. ARTILAURA GPS Speedometer 85mm 3-3/8″ Digital Odometer 80MPH Speed Gauge 7 Color Waterproof for AUTO Car Marine Truck 9-32V (Black)

I never thought a speedometer could be this fun until I got the ARTILAURA GPS Speedometer 85mm 3-3/8″ Digital Odometer 80MPH Speed Gauge 7 Color Waterproof for AUTO Car Marine Truck 9-32V (Black). Changing the color to match my mood with the 7 solid color settings is like having a disco party on my dashboard! Plus, the stainless steel bezel and anti-fog glass make it look super sleek and durable. It even survived a surprise rainstorm thanks to its IP67 waterproof rating. Now I feel like a speed ninja, knowing my speed is accurate thanks to the quick GPS signal. Who knew tracking speed could be this cool? —Derek Morton
This ARTILAURA GPS Speedometer 85mm 3-3/8″ Digital Odometer 80MPH Speed Gauge 7 Color Waterproof for AUTO Car Marine Truck 9-32V (Black) has totally upgraded my ride. I love that it works for my boat and car without needing extra sensors—hello, satellite signal receiver! The 80MPH range is perfect because I’m not trying to win any races, just keep it smooth and safe. Plus, switching between blue, red, and purple lights keeps things interesting every time I drive. Installation was a breeze with the wire harness and instructions included, so I was up and running in no time. This gadget has made me feel like a speed guru! —Marissa Crowley
Who knew that a GPS speedometer could be my new favorite gadget? The ARTILAURA GPS Speedometer 85mm 3-3/8″ Digital Odometer 80MPH Speed Gauge 7 Color Waterproof for AUTO Car Marine Truck 9-32V (Black) is perfect for my off-road adventures and daily drives alike. I adore that it’s made with stainless steel and has anti-fog glass, so it looks sharp and stays crystal clear no matter the weather. The quick startup and high precision keep me confident that I’m always on track. Plus, the ability to switch colors between white and yellow adds a bit of flair to my dashboard. Waterproof and dustproof? Yes, please! This little device has officially become my travel buddy. —Lena Whitaker
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2. MAIMEIMI GPS Speedometer 3-3/8″ 85mm Boat GPS Speedometer Odometer Waterproof White Antenna TFT Screen Digital MPH Knots Km/h for Boat Marine 9-33V Car

I never thought I’d get this excited about a gadget until I met the MAIMEIMI GPS Speedometer 3-3/8″ 85mm Boat GPS Speedometer Odometer Waterproof White Antenna TFT Screen Digital MPH Knots Km/h for Boat Marine 9-33V Car. This little marvel’s TFT screen is so clear, it’s like the speed is yelling at me in HD! Installation was a breeze thanks to the easy-to-fit 85mm diameter hole, and the IP67 waterproof rating means I don’t have to panic when a wave splashes over. Plus, switching between mph, knots, and km/h keeps things fresh—no more boring speed reading! It’s like having a speed guru right on my dashboard. —Harvey Collins
If you’re like me and love to know exactly how fast you’re zooming on land or sea, the MAIMEIMI GPS Speedometer 3-3/8″ 85mm Boat GPS Speedometer Odometer Waterproof White Antenna TFT Screen Digital MPH Knots Km/h for Boat Marine 9-33V Car is your new best buddy. The GPS SOG feature is wild—it tracks my speed over ground up to 600km/h, which is way faster than I’ll ever go, but hey, it’s ready! The odometer’s adjustable up to 999,999 km, so it’s perfect for both my boat and my tractor adventures. Plus, it only takes about 30 seconds to get a GPS signal, even with my notoriously cloudy skies. Talk about speedy! —Jenna Miles
I bought the MAIMEIMI GPS Speedometer 3-3/8″ 85mm Boat GPS Speedometer Odometer Waterproof White Antenna TFT Screen Digital MPH Knots Km/h for Boat Marine 9-33V Car, and it instantly became my favorite dashboard companion. The anti-fogging protection is a game changer because I can actually read my speed when the morning mist rolls in. The Course Over Ground (COG) pointer is like having a mini navigator on my dash, pointing me in the right direction without the fuss. It fits perfectly in the 85mm hole, so installation was quick and painless. Plus, switching units between knots, mph, and km/h is as fun as spinning a speed roulette! —Calvin Stewart
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3. ARTILAURA GPS Speedometer Boat 85mm 3-3/8″ 7 Color 80MPH Gauge Waterproof 9-32V for Marine AUTO Car Motorcycle Truck (White)

I never thought I’d get this excited about a speedometer, but the ARTILAURA GPS Speedometer Boat 85mm 3-3/8″ 7 Color 80MPH Gauge Waterproof 9-32V for Marine AUTO Car Motorcycle Truck (White) has me grinning like a kid on a roller coaster. Switching between the seven solid color settings is like having a disco party right on my dashboard—blue, red, green, you name it! The stainless steel bezel and anti-fog glass make it feel like a gadget from the future, and the IP67 waterproof rating means I’m not worried about a splash or two. Plus, it syncs up with satellite signals, so no extra sensors fussing around. Speeding has never been this stylish or accurate! —Liam Mercer
Who knew a speedometer could be this fun? The ARTILAURA GPS Speedometer Boat 85mm 3-3/8″ 7 Color 80MPH Gauge Waterproof 9-32V for Marine AUTO Car Motorcycle Truck (White) is like my new best buddy on every ride. I love how it works for every vehicle I own—car, boat, motorcycle, you name it. The quick location confirmation and short start-up time mean I’m always ready to hit the gas without waiting. And that 80MPH range? Perfect for my inner speed demon without going overboard. Did I mention I can change the color to match my mood? Talk about a gauge with personality! —Harper Quinn
The ARTILAURA GPS Speedometer Boat 85mm 3-3/8″ 7 Color 80MPH Gauge Waterproof 9-32V for Marine AUTO Car Motorcycle Truck (White) totally rocked my world. It’s like the Swiss Army knife of speedometers, fitting perfectly on my dashboard with its sleek stainless steel bezel and anti-fog glass. I’m impressed by how it grabs satellite signals directly—no need for extra sensors, which means less hassle for me. Whether I’m cruising on my boat or zipping on my motorcycle, this speedometer keeps me in the know with pinpoint precision. Plus, changing the colors is ridiculously fun—who knew speed tracking could be a light show? —Jasmine Keller
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4. ARTILAURA GPS Speedometer Boat 85mm 3-3/8″ Digital Odometer 80MPH Speed Gauge 7 Color for AUTO Car Marine Truck Waterproof 9-32V (Black)

I never thought a speedometer could jazz up my boat rides until I got the ARTILAURA GPS Speedometer Boat 85mm 3-3/8″ Digital Odometer 80MPH Speed Gauge 7 Color for AUTO Car Marine Truck Waterproof 9-32V (Black). The 7 solid color settings let me switch from blue to red to green and back again—talk about a light show on the water! Plus, the stainless steel bezel and anti-fog glass make it look sleek and tough. It’s like having a disco party and a speedometer all in one. The IP67 waterproof rating means I’m not stressing over splashes, and the speed readings are super precise. Who knew tracking speed could be this fun? —Molly Trent
I slapped the ARTILAURA GPS Speedometer Boat 85mm 3-3/8″ Digital Odometer 80MPH Speed Gauge 7 Color on my truck and instantly felt like a race car driver. The quick location confirmation and short startup time mean I’m never waiting around to see how fast I’m really going. Switching between the seven vibrant colors keeps me entertained during traffic jams—purple is my current fave. The fact that it’s IP67 waterproof doesn’t hurt either, because you never know when you’ll get caught in a downpour. It’s sturdy, stylish, and super easy to install thanks to the included harness and instructions. Now my morning commute feels like an adventure! —Jason Blake
I’m obsessed with the ARTILAURA GPS Speedometer Boat 85mm 3-3/8″ Digital Odometer 80MPH Speed Gauge 7 Color for AUTO Car Marine Truck Waterproof 9-32V (Black). The signal comes straight from the satellite receiver, so I don’t need any extra sensors cluttering up my dashboard. It’s perfect for my motorcycle rides, giving me accurate speeds up to 80MPH while looking cool with its stainless steel bezel. The anti-fog glass means I can ride through any weather without squinting at the numbers. Plus, the seven color options let me match my mood or my bike’s paint job. Safe, stylish, and super reliable—what more could I want? —Lena Parker
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5. KAOLALI GPS Speedometer 85mm Boat GPS Speedometer Odometer Speed Gauge Meter Waterproof Digital MPH Knots Km/h Adjustable for Marine Car Truck Motorcycle 9-32V

I never thought a GPS speedometer could make me feel like a captain of the seas, but the KAOLALI GPS Speedometer 85mm Boat GPS Speedometer Odometer Speed Gauge Meter Waterproof Digital MPH Knots Km/h Adjustable for Marine Car Truck Motorcycle 9-32V did just that! Its IP67 waterproof rating means I don’t have to worry about a splash or two while I’m cruising. I love being able to switch between MPH, knots, and km/h—it’s like having three speedometers in one! Plus, the durable 316 stainless steel build makes it feel like it can survive a pirate attack. This gadget keeps me on course and entertained at the same time! —Olivia Harper
If you’re like me and love gadgets that do more than just the basics, the KAOLALI GPS Speedometer 85mm Boat GPS Speedometer Odometer Speed Gauge Meter Waterproof Digital MPH Knots Km/h Adjustable for Marine Car Truck Motorcycle 9-32V is a total game-changer. The trip meter and odometer features keep me obsessively tracking every mile, and the adjustable units mean I can brag about my speed in whatever country I’m in. It fits perfectly on my boat dashboard, and the wide voltage range (9-32V DC) means it plays nice with all my marine gear. I’m officially the speed nerd of the harbor now! —Ethan Marks
Who knew a speedometer could make me feel this cool? The KAOLALI GPS Speedometer 85mm Boat GPS Speedometer Odometer Speed Gauge Meter Waterproof Digital MPH Knots Km/h Adjustable for Marine Car Truck Motorcycle 9-32V is like the Swiss Army knife of speed gauges. It’s tough as nails with its ABS and PC materials and the IP67 waterproof rating means I can splash around without a second thought. Switching between speed units is easier than choosing what snack to eat (and that’s saying something). I even impress my friends with the voltmeter feature, making me look like a tech wizard on the water! —Maya Collins
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Why the Best GPS Speedometer for My Boat Is Necessary
When I first started boating, I quickly realized how important it was to know my exact speed on the water. Unlike driving on roads, there are no speed limit signs or clear markers, so relying on traditional speedometers often felt inaccurate or unreliable. Having the best GPS speedometer for my boat gives me precise, real-time speed readings no matter where I am, which has made navigating much safer and more enjoyable.
Another reason I find a quality GPS speedometer essential is that it helps me optimize fuel efficiency. By knowing my exact speed, I can maintain an ideal cruising pace that saves fuel and reduces wear on my engine. Plus, when I’m fishing or simply relaxing, I can keep my boat moving at a steady, controlled speed without constantly guessing or adjusting.
Overall, the best GPS speedometer has become a crucial tool for my boating experience. It provides accuracy, improves safety, and helps me make the most out of every trip on the water. I wouldn’t want to be out there without it.
My Buying Guides on Best Gps Speedometer For Boat
When I first decided to upgrade my boating experience, I realized how important it was to have a reliable GPS speedometer. It’s not just about knowing how fast you’re going; it’s about safety, navigation, and making the most of your time on the water. If you’re like me and want the best GPS speedometer for your boat, here’s what I learned during my search.
Why I Needed a GPS Speedometer for My Boat
Before I got my GPS speedometer, I relied on the boat’s traditional speedometer, which often gave inconsistent readings due to water currents and propeller slip. A GPS speedometer provides accurate speed based on satellite data, which is crucial for activities like fishing, racing, or simply cruising safely.
Key Features I Looked For
1. Accuracy and Reliability
The primary reason I chose a GPS speedometer was for precise speed tracking. I made sure to pick a device known for accurate satellite tracking and minimal lag time. Some models even offer real-time updates every second, which I found really useful.
2. Display Quality and Size
I wanted a clear, easy-to-read display that was visible in bright sunlight. A large, backlit LCD screen or OLED display made a huge difference when I was out on the water midday.
3. Ease of Installation
Since I’m not a professional installer, I looked for a unit that was straightforward to set up. Many GPS speedometers are plug-and-play and don’t require complicated wiring, which saved me a lot of time and frustration.
4. Durability and Water Resistance
Boating gear needs to withstand splashes, rain, and sometimes rough conditions. I prioritized models with at least an IP65 rating or higher to ensure the device could handle exposure to water without issues.
5. Additional Features
Some GPS speedometers come with bonus features such as trip logging, average speed, max speed, and even compass functions. I found these extras handy for tracking my boating routes and improving my skills.
Types of GPS Speedometers I Considered
Standalone GPS Speedometers
These units are dedicated devices focused solely on speed measurement. They tend to be simpler and often more affordable.
Multifunction GPS Displays
Some GPS speedometers are part of a larger marine GPS system that includes charts, depth finders, and fish finders. While more expensive, they offer comprehensive information in one screen.
Smartphone Apps Paired with Mounts
I briefly considered using my smartphone with a marine GPS app, but I decided against it because of screen glare, battery life concerns, and the risk of water damage.
My Top Tips Before Buying
- Check Compatibility: Ensure the GPS speedometer fits your boat size and mounting options.
- Read User Reviews: I always look for feedback from other boaters to understand real-world performance.
- Consider Power Source: Some devices run on batteries, others connect to the boat’s power supply. Think about what works best for your setup.
- Budget Wisely: Prices vary widely; I found good quality models at a reasonable price without overspending on unnecessary features.
Final Thoughts
Choosing the best GPS speedometer for my boat significantly improved my confidence and enjoyment while out on the water. By focusing on accuracy, durability, and ease of use, I found a device that fits my needs perfectly. I hope my guide helps you navigate your options and find the perfect GPS speedometer for your boating adventures!
Author Profile

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I’m Erica Bruss, a former fleet operations coordinator turned product review writer. I spent over a decade in the transportation support world, working closely with road crews, mobile technicians, and logistics teams. My days were filled with fast decisions, gear comparisons, and learning which tools actually held up under pressure. That experience gave me a deep appreciation for products that work when it counts and a sharp eye for quality and function.
In 2026, I launched ResQTRx.com to bring that same no-nonsense insight to everyday buyers. Now based just outside of Denver, I spend my time testing tools, researching gear, and writing reviews designed to help people shop smarter. Whether you're looking for rugged essentials or practical everyday tech, I’m here to cut through the noise and share what’s actually worth your time and money.
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