Waterproof fitness trackers are essential for swimmers, triathletes, and active individuals needing durable devices for water-based activities or intense workouts. These trackers withstand water, sweat, and dust while delivering precise swim metrics like strokes, distance, and SWOLF, alongside health monitoring (heart rate, sleep, menstrual cycles). Our top picks—Fitbit Charge 6, Garmin Swim 2, Apple Watch Series 10, Coros Vertix 2, and Amazfit T-Rex 3—offer robust water resistance (5 ATM or higher), advanced swim tracking, and iOS/Android compatibility. This guide highlights the best waterproof fitness trackers for 2025, tailored to swimming, outdoor adventures, and daily fitness.
Read Also: Best Deals on Fitness Trackers
Why Choose a Waterproof Fitness Tracker?
Benefits of Waterproof Fitness Trackers
Waterproof fitness trackers excel in tracking swim workouts (strokes, laps, pace) and are durable for showering, sweaty workouts, or rain. With water resistance ratings of 5 ATM or higher, they handle pool and open-water swimming while monitoring heart rate, sleep, steps, and women’s health. Their versatility supports triathlons, running, and smart home integration, making them ideal for active lifestyles.
Top 5 Best Waterproof Fitness Trackers
Below are the top 5 waterproof fitness trackers for 2025, compared by water resistance, swim tracking, health features, and price, all suited for swimming and multi-sport use.
1. Fitbit Charge 6 – Best Overall Waterproof Tracker
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- Features: 5 ATM, 1.04” AMOLED display, built-in GPS, ECG, SpO2, heart rate, sleep/stress, menstrual tracking, swim tracking (strokes, distance, pace), 7-day battery, iOS/Android.
- Pros: Accurate swim and heart rate tracking, slim (0.5” band, 28g), Google integration (Maps, Wallet), affordable (~$150).
- Cons: Some features (e.g., advanced sleep) require Fitbit Premium ($10/mo), no altimeter.
- Best For: Swimmers and casual users needing versatile tracking for pool swims and daily fitness.
2. Garmin Swim 2 – Best for Dedicated Swimmers
- GPS swimming smartwatch for the pool and open water
- o Battery life: up to 7 days in smartwatch mode, 13 hours in GPS and optical heart rate (OHR) mode and 72 hours in pool …
- Pool swim mode: records distance, pace, stroke count, stroke type and SWOLF (gauges swimming efficiency)
- Features: 5 ATM, 1.04” MIP display, heart rate, SpO2, sleep, swim tracking (pace, strokes, SWOLF), pool/open water, GPS, 7-day battery, iOS/Android.
- Pros: Precise swim metrics, lightweight (43g), no subscription needed, reliable for pool/open water (~$250).
- Cons: No AMOLED display, limited non-swim workout modes.
- Best For: Swimmers focused on pool or open-water training with detailed metrics.
3. Apple Watch Series 10 – Best Waterproof Smartwatch
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- WHY APPLE WATCH SERIES 10 — Bigger display with up to 30 percent more screen area.* A thinner, lighter, and more comfort…
- ADVANCED HEALTH INSIGHTS — Take an ECG anytime.* Get notifications if you have high or low heart rate or an irregular he…
- A POWERFUL FITNESS PARTNER — Measure all the ways you move with Activity Rings, which are customizable to match your lif…
- Features: 5 ATM (EN13319 for diving to 6m), 1.9” LTPO3 AMOLED, ECG, SpO2, heart rate, sleep/apnea, menstrual tracking, swim tracking (strokes, laps, SWOLF), GPS, 18-hour battery, iOS-only.
- Pros: Sleek (9.7mm, 36g), precise swim metrics, robust iPhone integration, stylish design (~$399).
- Cons: Short battery life, iOS-only, premium price.
- Best For: iPhone users wanting a smartwatch with swim tracking and health features.
4. Coros Vertix 2 – Best for Rugged Outdoor Use
- EASY TO OPERATE: Tactile buttons and a large digital dial make it simple to access all the COROS VERTIX 2S GPS Watch fea…
- MADE TO BE TOUGH: With the scratch-resistant sapphire screen and a PVD-coated titanium bezel, COROS VERTIX 2S GPS watch …
- POWER TO ENDURE: Tackle multi-day El Capitan ascents or 250+ mile races with an impressive battery life of 40 days of re…
- Features: 15 ATM, 1.4” sapphire AMOLED, heart rate, SpO2, sleep, menstrual tracking, swim tracking (pool/open water, strokes, SWOLF), dual-band GPS, 60-day battery, iOS/Android.
- Pros: Ultra-durable (titanium, 89g), precise GPS/swim data, exceptional battery life (~$699).
- Cons: Expensive, bulky for smaller wrists.
- Best For: Triathletes and outdoor adventurers needing rugged swim tracking.
5. Amazfit T-Rex 3 – Best Budget Waterproof Tracker
- ULTRA-BRIGHT AMOLED DISPLAY: With peak brightness of 2,000 nits, the Amazfit smart watch delivers easy reading of maps a…
- DURABILITY FOR EXTREME CONDITIONS: This rugged smart watch, engineered with a 316L stainless steel bezel, withstands tem…
- EXTENDED BATTERY LIFE: The Amazfit T Rex 3 offers over 3 weeks of power with typical use or up to 180 hours in GPS mode,…
- Features: 10 ATM, 1.5” AMOLED, heart rate, SpO2, sleep/stress, menstrual tracking, swim tracking (strokes, distance), GPS, 27-day battery, iOS/Android.
- Pros: Affordable (~$200), rugged (military-grade), long battery, solid swim metrics.
- Cons: Less accurate sensors than premium models, basic Zepp app.
- Best For: Budget users needing durable swim tracking for pool/open water.
How We Chose the Best Waterproof Fitness Trackers
Criteria for Selecting Top Waterproof Fitness Trackers
We evaluated trackers based on:
- Water Resistance: Minimum 5 ATM (50m) for swimming; higher (10–15 ATM) for diving.
- Swim Tracking: Metrics like strokes, distance, pace, SWOLF for pool/open water.
- Health Features: Heart rate, sleep, SpO2, stress, and women’s health tracking.
- Durability & Battery: Rugged builds (titanium, sapphire) and battery life (7–60 days).
Testing insights from TechRadar, PCMag, and SwimOutlet ensured accuracy and reliability.
Comparison Table of Top Waterproof Fitness Trackers
Quick Comparison of Waterproof Fitness Trackers
| Model | Price | Water Resistance | Battery Life | Key Features | Best Use |
| Fitbit Charge 6 | ~$$$ | 5 ATM | 7 days | GPS, ECG, swim/stress tracking | Versatile, casual swimmers |
| Garmin Swim 2 | ~$$$ | 5 ATM | 7 days | Swim metrics, GPS, no subscription | Dedicated swimmers |
| Apple Watch Series 10 | ~$$$ | 5 ATM (EN13319) | 18 hours | Swim tracking, ECG, iOS smartwatch | iPhone users, multi-sport |
| Coros Vertix 2 | ~$$$ | 15 ATM | 60 days | Rugged, GPS, swim/triathlon modes | Outdoor, triathletes |
| Amazfit T-Rex 3 | ~$$$ | 10 ATM | 27 days | Swim tracking, rugged, budget | Budget, pool/open water |
Benefits of Waterproof Fitness Trackers
Why Invest in a Waterproof Fitness Tracker?
Waterproof fitness trackers deliver precise swim data (strokes, laps, SWOLF), withstand sweat/rain, and monitor health metrics (heart rate, sleep) during water activities. They’re versatile for swimming, triathlons, or daily use, with durable designs for harsh conditions. App ecosystems (Garmin Connect, Fitbit, Coros) provide insights to boost training and motivation.
Customer Reviews and Feedback
What Users Say About Waterproof Fitness Trackers
- Fitbit Charge 6: Amazon users praise swim tracking and comfort but note Fitbit Premium costs.
- Garmin Swim 2: SwimOutlet reviews highlight accurate pool/open-water metrics, criticize basic display.
- Apple Watch Series 10: TechRadar users love style and swim data, dislike short battery life.
- Coros Vertix 2: ZDNET feedback emphasizes durability and battery, notes bulky design.
- Amazfit T-Rex 3: Amazon reviews commend affordability and ruggedness, some report sensor inaccuracies.
Common concerns: Battery life (Apple Watch), subscription fees (Fitbit), and fit during vigorous swims.
Tips for Using Your Waterproof Fitness Tracker
Maximize Your Waterproof Fitness Tracker Experience
- Care: Rinse with fresh water after pool/ocean swims to prevent corrosion; dry thoroughly.
- Fit: Wear snugly for accurate swim/heart rate data; enable swim mode for precise metrics.
- App Sync: Use apps (Fitbit, Garmin Connect, Coros) for swim analysis and women’s health tracking.
- Maintenance: Update firmware regularly, avoid hot tubs (>104°F), check water resistance limits.
Conclusion
Choose the Best Waterproof Fitness Tracker for Your Needs
The best waterproof fitness trackers for 2025 cater to diverse needs: Fitbit Charge 6 for versatile tracking, Garmin Swim 2 for dedicated swimmers, Apple Watch Series 10 for smartwatch features, Coros Vertix 2 for rugged outdoor use, and Amazfit T-Rex 3 for budget-conscious users. Match your tracker to your activity—swimming, triathlons, or daily fitness—and dive into your goals. Shop these trackers on Amazon, Garmin, or Fitbit to elevate your fitness in 2025!