In a market flooded with fitness wearables, the Apple Watch Ultra 2 has emerged as the best waterproof smartwatch of 2025, according to extensive testing by industry experts. With its 10 ATM water resistance, advanced dive tracking, and rugged titanium build, Apple’s flagship wearable outperforms competitors in durability and functionality.
Other top contenders include Samsung’s Galaxy Watch Ultra for Android users, Garmin’s Quatix 7 Pro for marine sports, and the budget-friendly Kospet Tank T3 Ultra 2, offering strong aquatic performance at a lower price point.
Key Takeaways
- Apple Watch Ultra 2 leads with 100m water resistance and dive certification
- Samsung Galaxy Watch Ultra brings Wear OS 5.0 and AI-powered fitness insights
- Garmin Quatix 7 Pro excels in marine navigation with 16-day battery life
- Kospet Tank T3 Ultra 2 is the best budget pick for swimmers
With summer approaching, demand for waterproof smartwatches is surging. Whether for pool laps, ocean diving, or sailing, these wearables provide real-time health tracking, safety features, and long-lasting durability—making them essential gear for water-based activities.