Best Waterproof Smartwatches for Swimming and Outdoor Activities [2025 Guide]

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Keeping your smartwatch safe from water isn’t just a bonus for swimmers and outdoor fans—it’s a must for anyone who spends time in or around the water. Today’s waterproof smartwatches track laps in the pool, monitor your heart rate on the trail, and handle rain, sweat, or a jump in the lake without missing a beat. Brands like Garmin, Apple, and Coros have set high standards for water resistance, durability, and all-day tracking, blending strong build with reliable performance.

Whether you’re training for a triathlon, hiking in unpredictable weather, or want to keep health data close while kayaking, the right features make all the difference. In this guide, you’ll find smartwatches built to last, track every stroke, and stand up to outdoor adventures. We’ll highlight what matters most—water resistance, activity metrics, battery life, and comfort—so you can pick one that fits your lifestyle.

What Makes a Smartwatch Suitable for Swimming and Outdoor Activities

A smartwatch designed for swimming and outdoor use isn’t just water-resistant. You want features that work as hard as you do, from the pool lane to the mountain trail. The right device should be comfortable, offer precise tracking, and survive all the bumps that come with adventure.

Photo by Kindel Media

Water Resistance Ratings: ATM and IP Explained

Not all waterproof ratings are equal. Smartwatches feature ATM (atmospheres) or IP (Ingress Protection) ratings that tell you how much water they can handle.

3 ATM: Withstands splashes, rain, or brief immersion—fine for daily wear, not swimming.
5 ATM: Safe for swimming and showers but not for diving.
10 ATM or higher: Fits open-water swimming, snorkeling, or water sports.

IP ratings also matter. For example, IP68 commonly means a watch stands up to 1.5 meters of water for up to 30 minutes. To learn more about how these work, see this guide on smartwatch water resistance ratings. If you expect intense exposure, check a manufacturer’s specs for extra peace of mind as explained on the Garmin water rating definitions.

Durability for Outdoor Challenges

Outdoor use means more than water exposure. A suitable smartwatch needs to handle bumps, dust, and sudden weather changes.

Look for these traits:

Scratch-resistant glass (often Sapphire or Gorilla Glass)
Sealed buttons and ports
Reinforced casing for shock and drop protection

Strong build quality helps your watch last through long hikes, rock scrambles, or rough surf.

Swim-Specific Metrics and Sensors

Swimming smartwatches bring extra value with advanced tracking features built for pools and open water.

Key swim-focused features include:

SWOLF tracking: Measures swim efficiency by combining stroke count and time per length.
Stroke type detection: Automatically recognizes freestyle, backstroke, breaststroke, or butterfly.
Lap and distance counting: Essential for pool swimmers aiming for accuracy.
Heart rate monitoring: Some models use optical or electrical sensors that still work in water.

For a deep dive into how smartwatches enhance outdoor activity, Garmin’s adventure watch lineup highlights the same technologies for hikers and swimmers alike.

Battery Life and Performance

Outdoor activities often last hours or even days. Choose a smartwatch with enough battery to outlast your long swim, hike, or paddle.

Extended battery modes: Lower power settings keep tracking going if you’re away from a charger.
Fast charging: Some models offer a quick boost so you can get back to action if you need a top-off during travel or training.

Display Clarity Underwater and in Sunlight

When you’re swimming laps or finding your way up a sunlit trail, the screen has to stay readable.

Smartwatches made for outdoor use often include:

Bright AMOLED or transflective displays: These types remain visible both underwater and in direct sun.
Bold graphics and large numbers: Allow for easy glances between strokes or while on the move.

Suitable for Pool and Open Water

Smartwatches that handle both pool and open water provide more flexibility:

They use GPS tracking for lakes or oceans.
Lap-counting algorithms work with the always-changing environment outside the pool.

For multi-sport athletes or those who split time between the gym and the wild, this versatility removes guesswork and boosts confidence with every stroke, stride, or summit.

These features set apart a smartwatch built for serious swimming and active outdoor living—so you can focus on the adventure, not the gear.

Top Waterproof Smartwatches for 2025: At a Glance

Smartwatches in 2025 aren’t just built for steps and notifications. The best models easily move from pool to trail, taking on rain, sweat, and open water with confidence. You’ll find watches designed for athletes, outdoor lovers, and swimmers, each loaded with features that keep your focus on the workout or adventure—not on worrying if your watch can keep up. It’s easy to scan the market and get overwhelmed, so here’s a dependable shortlist of standouts for this year.

Below, I cover the top waterproof smartwatches for swimming and outdoor activities, summing up their key specs and features. Whether you like to track laps, chase PRs, or hit remote trails, these picks offer serious value.

Quick Comparison: Top Waterproof Smartwatches of 2025

Here’s a side-by-side look at the best watches for water and outdoor use:

Model	Water Resistance	Battery Life	Key Swim Features
Apple Watch Ultra 2	100m (WR100)	Up to 36 hours (typical)	Pool/Open water tracking, real-time SWOLF, dual GPS, depth app
Garmin Fenix 8	10 ATM (100m)	Up to 18 days (smartwatch)	Multi-sport, advanced swim profiles, heart rate underwater
Garmin Swim 2	5 ATM (50m)	Up to 7 days	Swim-centric, stroke detection, open/pool swim, pace alerts
Coros Vertix 2	10 ATM (100m)	Up to 60 days (regular use)	Open water/pool swim, durable build, GPS, OHR in water
Kospet Tank T3 Ultra	5 ATM (50m) + IP69K	Up to 25 days	Rugged build, swimming mode, dual-layer waterproof design
Fitbit Charge 6	5 ATM (50m)	Up to 7 days	Swim tracking, heart rate in water, lightweight

These models meet the mark with real-world durability and smart swim tracking, so you can train or play outdoors with peace of mind.

Apple Watch Ultra 2

The Apple Watch Ultra 2 stands out for both swimmers and outdoor athletes with its tough titanium case and 100-meter water resistance. It features full GPS tracking in open water, detailed lap counting in pools, and built-in depth sensing. The Ultra 2’s bright display shines even in water and sun. Find more detail about its water capabilities in expert reviews at ZDNET’s list of best waterproof smartwatches.

Garmin Fenix 8

Garmin’s Fenix 8 holds its spot as a go-to for rugged adventurers. The 10 ATM rating (100 meters) lets you take it into the surf or a long swim session, while its multi-sport tracking and accurate heart rate sensors stay locked in even when you’re in the water. The Sapphire edition boosts scratch resistance, perfect for harsher adventures. Get additional specs from the best smartwatches guide.

Garmin Swim 2

Tailored for pool and open water, the Garmin Swim 2 is a swimmer’s friend. With 5 ATM water resistance and a slim, comfortable fit, it focuses on pace alerts, stroke recognition, and easy sync to swim-focused apps. Its built-in GPS allows you to map your open water sessions.

Coros Vertix 2

Coros Vertix 2 is known for its extreme battery life and beefy durability—think mountaineering or long triathlons. Rated for 100 meters, the Vertix 2 excels at tracking open water swimming, while tough build quality helps it shrug off knocks on rocky terrain. Its heart rate sensor works even in water, making it a steady pick for athletes.

Kospet Tank T3 Ultra

The Kospet Tank T3 Ultra matches swimmers and outdoor trekkers with a rugged design and dual-layer waterproofing (5 ATM and IP69K). Its dedicated swimming mode logs laps and intensity. The extended battery means less time on the charger, more time in action.

Fitbit Charge 6

If you want a simpler, lighter option, the Fitbit Charge 6 is worth a look. Rated at 5 ATM, it goes the distance in the pool and offers clear swim tracking, all wrapped in a thin, low-profile band. Heart rate works in water, and Fitbit’s app platform keeps health stats within easy reach. You can explore how the Charge 6 and others stack up in this summary of the best swim trackers.

Each of these watches covers the basics—strong waterproofing, great tracking, long battery, and readable screens—while shining in their own ways for outdoor and water fans.

In-Depth Reviews of the Best Waterproof Smartwatches

Choosing a waterproof smartwatch for swimming or outdoor activities depends on your goals and how much you plan to push your gear. Below, find a model-by-model breakdown covering real-world water resistance, tracking, durability, and who each watch fits best. This will help you cut through the noise and select the right companion for your next session in the pool or adventure beyond the trail.

Apple Watch Ultra 2: Built for Water, Distance, and Serious Tracking

Photo by Abbas Malek Hosseini

Apple raised the bar with the Ultra 2, making it a top choice for open-water swimmers, triathletes, and tech enthusiasts. It packs true 100-meter water resistance, certified by the ISO 22810:2010 standard and EN13319 for diving accessories. The Ultra 2 is designed to withstand deep water and keep working during laps, dives, and open-water swims. The official Apple specs confirm just how rugged this device is for water performance.

Key highlights:

Dual-band GPS brings pinpoint accuracy for open-water swimming and post-workout data.
Advanced swim tracking logs real-time SWOLF scores, lap splits, split times, and auto stroke detection.
Full app support through watchOS: access a universe of fitness, swim, and adventure apps.
Bright Always-On Retina Display stays clear under harsh sun or underwater.
Compatible with most iPhones and connects seamlessly with Apple’s fitness ecosystem.

Suited for:

Open-water swimmers seeking specific data and safety.
Triathletes and multi-sport athletes balancing pool and outdoor training.
Anyone needing high tech in and out of the water.

Learn more about Ultra 2’s water resistance and tech in Apple’s official guide.

Garmin Fenix 8 Series: Rugged, Reliable, and Ready for Anything

Garmin’s Fenix 8 is a powerhouse for swimmers, backpackers, and anyone who tackles long, demanding activities. The 10 ATM rating means it’s safe down to 100 meters—plenty for swimming, snorkeling, or wild rivers. Built with sapphire glass and optional titanium cases, its construction resists scratches and shocks during real outdoor use.

Features setting Fenix 8 apart:

Pro-level swim tracking for both pool and open water, including pace, stroke, distance, and SWOLF.
Industry-leading GPS for precise route mapping in open water, forest trails, or mountain passes, praised for consistency in detailed reviews.
Multi-sport profiles and automatic workout modes support swimming, hiking, trail running, and biking.
Long battery life: up to 18 days in smartwatch mode, even more with solar charging add-ons.
Configurable display offers excellent sunlight and underwater visibility.

Best for:

Endurance athletes, hikers, and backpackers spending hours or days in the wild.
Those who value ruggedness and versatility for all-weather, all-terrain performance.

Check the Fenix 8 official page for more on its outdoor features and solar charging.

Garmin Swim 2: Tailored for Swimmers Who Want the Details

If you swim laps or love open-water workouts, the Garmin Swim 2 is built for you. Its 5 ATM (50 meters) rating fits pool sessions and daily use without bulk.

Swim 2’s standout swim features:

Accurate stroke detection and automatic lap counting keep you focused on performance, not math.
SWOLF scoring tracks your swim efficiency over every length.
Pool mode vs. open-water mode: correct tracking whether you’re inside or outdoors.
Monitors heart rate underwater for added training detail.
Compact, lightweight build is easy to wear all session, every session.

For those just getting into swim data or who want focused results, find full feature details in Garmin’s official Swim 2 page.

Coros Vertix 2: Endurance and Adventure in Every Element

The Coros Vertix 2 is engineered for adventurers who need a watch that outlasts and outperforms. Built tough (rated for 100 meters), it thrives in harsh environments: rocky climbs, cold lakes, remote open water.

Vertix 2 advantages include:

Ultra-long battery life—up to 60 days with regular use, among the best for long expeditions.
Rugged case protects against drops, dust, and deep submersion.
Full suite of outdoor sensors: barometer, compass, altimeter, plus powerful GPS for open-water and wilderness navigation, as explained in the Vertix 2 product details.
Advanced swim tracking in both pools and natural bodies of water.
On-wrist heart rate monitoring works even when wet.

Perfect for:

Extreme users, mountaineers, long-distance swimmers, and anyone on long wilderness trips.
Those who want battery life to outlast their longest adventure.

Fitbit Charge 6: Affordable, Easy, and Fitness-Focused

Last but not least, the Fitbit Charge 6 brings simple, practical swim tracking to the masses. Rated at 5 ATM, it’s safe for pool swims and daily wear.

What makes Charge 6 appealing:

Automatic swim tracking starts when you hit the water—no fiddling with buttons.
Tracks basic swim data: lap counting and duration.
Heart rate and sleep tracking built-in for overall fitness health.
Up to 7 days battery between charges.
Thin, lightweight design won’t weigh down your wrist.
Budget-friendly, making advanced metrics accessible to casual swimmers and health-minded users.

Recommended for:

Everyday swimmers focused on wellness, not heavy competition.
Anyone looking for a dependable, water-ready fitness tracker without breaking the bank.

Discover more about the tracker’s everyday features from the Fitbit Charge 6 product page.

With the right waterproof smartwatch, you can track laps, analyze your outdoor runs, and still get the everyday data that keeps your fitness goals on track. Each model above stands out for users with different needs, so you can swim, hike, and explore—worry free.

How to Choose the Right Waterproof Smartwatch for Your Needs

Finding a waterproof smartwatch that fits your lifestyle isn’t always about picking the model with the biggest price tag or flashiest look. The right watch should feel like a natural fit—whether you’re swimming laps, multi-sport training, or spending days hiking off the grid. Here’s a clear way to narrow down your choices based on your activities, comfort, platform preferences, and budget.

Photo by Ketut Subiyanto

Match Features to Your Main Activities

Think first about how you plan to use your smartwatch. A good fitness watch for swimming isn’t always the best for deep-water diving or rugged mountain treks.

Pool Swimmers: Look for 5 ATM or higher water resistance, fast lap counting, and stroke detection. Slim models with swim-focused metrics work best for everyday swimmers.
Open Water or Diving: Choose watches with higher water resistance (10 ATM/100m or more) and built-in GPS for distance tracking in lakes or oceans.
Outdoor & Multi-Sport: Seek tough builds with reinforced glass and dust protection. Models with altimeters, barometers, and multi-sport tracking (like hiking, mountain biking, or running) keep you covered on land and water.

For a full breakdown of swim-centric features, see this guide on the best swim watches.

Budget Considerations: Find the Sweet Spot

Waterproof smartwatches come with a wide price range. You don’t have to overspend to get quality. Set a budget by focusing on features you’ll actually use.

Entry Level (under $150): Great for daily swimmers, those new to fitness watches, or anyone wanting essential water safety and basic tracking.
Mid-Range ($150-$400): Expect improved durability, extra sports profiles, better battery life, and more in-depth swim analytics.
High-End ($400+): For multi-sport athletes, deep-water swimmers, or those needing advanced outdoor sensors (GPS, altimeter), premium smartwatches offer top performance.

There are excellent picks in each price range. Summaries like this waterproof smartwatch expert round-up highlight value features at every budget.

Platform Compatibility: iOS, Android, and Beyond

Not every smartwatch works seamlessly with your phone. Before you buy, check that the watch is fully compatible with your mobile platform.

Apple Watch: Best paired with iPhones for the full app experience and easy device sync.
Wear OS and Google Watches: Pair well with Android but often work, though sometimes with limited features, on iPhones.
Garmin, Coros, Fitbit: Most offer strong apps for both iOS and Android, but double-check for full feature support (like notifications or contactless payments).

Choosing a watch that matches your device keeps your setup simple and your data synced.

Comfort and Everyday Wear

A feature-packed watch won’t get much use if it feels clunky or heavy. Comfort matters more than you might expect, especially for all-day or all-night wear.

Look for:

Lightweight materials and soft silicone or nylon bands for a secure fit in the water and on the trail.
Low-profile designs for less snagging on jackets or swim gear.
Adjustable straps to accommodate swelling or wet skin.

You want a watch that disappears on your wrist, so you’ll wear it in the water and beyond.

Recap: Checklist for Easy Shopping

Before hitting “buy,” ask yourself:

What’s my main activity—pool swimming, open water, hiking, or multi-sport?
Do I care more about battery life or advanced features?
Is compatibility with my phone essential for syncing workouts?
Will I be happy wearing this all day?

Keeping these checkpoints in mind helps you pick a waterproof smartwatch that truly fits your needs. When you’re ready to compare options, reference this expert review of top waterproof models to see which features line up with your goals.

Care and Maintenance Tips for Waterproof Smartwatches

Waterproof smartwatches deliver powerful features for swimmers and outdoor explorers, but even the toughest models need regular care. Good habits help your watch stay accurate, look sharp, and last longer whether you’re hitting the pool, ocean, or rain-soaked trail. Let’s break down proven maintenance tips to keep your device running at its best.

Photo by ANVA Marketing

Post-Swim Cleaning: Rinse Away Salt, Chlorine, and Sweat

Rinsing your smartwatch after each swim or sweaty workout is a simple habit that extends its life. Salt water and chlorine can leave residue or slip into seams, leading to long-term trouble.

Rinse your watch with fresh tap water after swimming in a pool or open water.
Dry it with a clean, soft cloth, making sure to get under the watch and around the band.
Air-dry before charging or putting it away.

These steps help prevent corrosion and buildup, and they’re supported by leading brands’ official guidance on watch wear and care.

Avoiding Salt and Chlorine Damage

Salt, chemicals, and even sweat can wear down gaskets, degrade waterproof seals, and dull the finish if left unchecked. To limit damage:

Always rinse after any exposure.
Remove the band (if possible) and clean the lugs where dirt or salt collects.
Clean metal bands with a damp cloth, then dry fully to avoid rust spots.

Regular attention beats dealing with expensive repairs or failure down the road.

Managing Battery Life for Long-Term Use

Smartwatch batteries don’t last forever, but you can get the most out of each charge cycle with a few habits:

Only recharge when needed—avoid frequent top-ups at 50% if possible.
Don’t leave your watch plugged in overnight for days at a time.
Turn on battery-saving modes or dim the display during long events or outdoor activities.

Manufacturers often publish tips for maximizing device lifespan, so check your manual or reputable guides for your specific device.

Protecting the Display

The display sees the most wear, scratches, and daily dings. Even watches with Gorilla or Sapphire glass need a little protection:

Wipe your display with a microfiber cloth; avoid household cleaners that can damage coatings.
Consider a thin screen protector for extra scratch resistance (especially if you train outdoors).
Remove dirt, sand, or grit before pressing buttons or swiping.

Attention to display care keeps your tracking data visible and your watch looking new.

Regular Software Updates and Maintenance

Smart devices depend on up-to-date software to run their best. Updates often improve tracking, add new features, or patch known bugs.

Set reminders to check for updates each month.
Install manufacturer updates promptly; these add swim profiles, fix battery drain, or address waterproofing bugs.
Restart your watch every week, clearing out minor glitches before they turn into big headaches.
Check for corrosion or buildup when you clean your watch. If you spot any, follow guidance such as these tips for repairing water-damaged smartwatches.

Keeping your smartwatch software up to date is just as important as cleaning the outside.

Safe Handling and Storage

When you’re done tracking, treat your smartwatch like other outdoor gear.

Store in a cool, dry place, away from direct sunlight.
Avoid leaving it in steamy bathrooms or hot car dashboards, which can shrink seals or weaken adhesives.
Don’t expose the watch to high-pressure jets or repeated knocks.

Proper storage and gentle handling go a long way toward long-term reliability. Find additional helpful tips in Samsung’s smart watch water resistance guidance.

Incorporating these straightforward habits will help your waterproof smartwatch stay accurate, good-looking, and dependable for every swim, hike, or workout.

Conclusion

Choosing a waterproof smartwatch that matches your swim habits, outdoor activities, and platform needs brings better results and long-term satisfaction. The best models for 2025 feature strong water protection, accurate tracking in pool or open water, and batteries built to last, whether you swim laps or trek miles off the grid.

Consider how each watch lines up with your daily routines and sport goals. Focus on fit, comfort, and the swim or multisport features that matter most to you. Take the next step by comparing your shortlist against real-world reviews or by trying a model in-store if possible.

Have you found a watch that stands up to your toughest swims or adventures? Share your experience or questions below—your insights could help others make confident choices. Thanks for reading, and stay tuned for more hands-on guides and honest recommendations.