Heart Rate Sensors

Garmin Instinct 2X Solar Standard Edition 50mm Rugged GPS Smartwatch

372 reviews

SKU: GRMI2XSBK

~~$499.99~~ Save: $150 (30%)

^$349.99

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In Stock

DESCRIPTION

A rugged GPS smartwatch with unlimited battery life and built-in sports apps.

Pros

Long battery life
Useful features (health tracking, GPS, reminders, etc.)
Rugged and durable design
Solar charging feature
Comfortable fit

Garmin fenix 7X Pro Sapphire Solar Edition 51mm GPS Smartwatch

161 reviews

SKU: GRMF7XWGB

~~$999.99~~ Save: $550.04 (55%)

^$449.95

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In Stock

DESCRIPTION

A durable GPS smartwatch with sapphire solar charging, long battery life, advanced training metrics, and LED flashlight.

Pros

Well-designed
Long battery life
Convenient features
Durable
Accurate tracking

Garmin Instinct 2S Solar Standard 40mm Rugged GPS Smartwatch

49 reviews

SKU: GRMI2SSMG

~~$399.99~~ Save: $150 (38%)

^$249.99

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In Stock

DESCRIPTION

A rugged GPS smartwatch with solar-charging efficiency, water-resistance up to 100m, and comprehensive health monitoring.

Pros

Long battery life
Customization options
Accurate workout tracking
Comprehensive health monitoring
User-friendly interface

Garmin Forerunner 165 GPS Smartwatch

41 reviews

SKU: GRMF165SBSG

^$249.99

+ wishlist

In Stock

DESCRIPTION

A lightweight, GPS smartwatch with a brilliant AMOLED touchscreen display, built-in activity profiles, and smart notifications.

Pros

Lightweight and trim design
Efficient and reliable with no crashes
Accurate and suitable for various activities
Brilliant AMOLED touchscreen display
Long battery life and useful features

Garmin Forerunner 165 Music GPS Smartwatch

24 reviews

SKU: GRMF165MSBSG

^$299.99

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In Stock

DESCRIPTION

A lightweight, unisex smartwatch with built-in GPS, heart rate monitor, AMOLED display, and music streaming capabilities.

Pros

Music streaming capabilities
Good value for the price
Great running watch
User-friendly interface
Accurate tracking

Garmin Descent Mk3i 43mm Dive Computer Smartwatch

16 reviews

SKU: GRMDMK43BK

~~$1399.99~~ Save: $250 (18%)

^$1149.99

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In Stock

DESCRIPTION

A dive-first smartwatch with enhanced sonar technology, GPS, and dive readiness tool for smaller wrists.

Scubapro Galileo 2 Wrist Computer

14 reviews

SKU: UTCG2

~~$1049~~ Save: $23 (2%)

^$1026

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In Stock

DESCRIPTION

A highly customizable wrist computer with an easy-to-read color screen and intuitive menu.

Garmin Lily 2 Classic Sport GPS Smartwatch

13 reviews

SKU: GRML2CWCG

^$299.99

+ wishlist

In Stock

DESCRIPTION

A fashionable GPS smartwatch with a patterned lens, heart rate monitoring, and 5-day battery life.

Scubapro Luna 2.0 Air Integrated Computer

5 reviews

SKU: SCPL2AIC

^$499

+ wishlist

In Stock

DESCRIPTION

A wireless air-integrated computer with customizable settings, a modern display, and intuitive interface.

Scubapro G2 Dive Computer Complete

5 reviews

SKU: PCKUTCG2A

~~$1299~~ Save: $23 (2%)

^$1276

+ wishlist

In Stock

DESCRIPTION

A highly advanced dive computer with a user-friendly interface, customizable algorithms, and wireless air integration.

Scubapro G2 Tek Wrist Dive Computer, Blue/Black

1 reviews

SKU: SCPG2TWDC

~~$1049~~ Save: $23 (2%)

^$1026

+ wishlist

In Stock

DESCRIPTION

A reliable, intuitive dive computer with color indicators and multiple gas capabilities, suitable for technical diving.

Garmin Lily 2 Sport GPS Smartwatch

1 reviews

SKU: GRML2WCG

^$249.99

+ wishlist

In Stock

DESCRIPTION

A stylish, small smartwatch with a patterned lens, long battery life, and health monitoring capabilities.

Pros

Good battery life
Health tracking features
Stylish design
User-friendly functions
Comfortable fit

Garmin fenix 8 AMOLED GPS Smartwatch with HRM 600 Heart Rate Monitor

SKU: GRMF8AGSK

^$1169.98

+ wishlist

In Stock

DESCRIPTION

A digital GPS sports watch with AMOLED display, rubber band, and advanced heart rate monitoring features.

Suunto Smart Heart Rate Belt

SKU: SNTSHRBELT

^$79

+ wishlist

In Stock

DESCRIPTION

A comfortable and accurate heart rate monitor belt for multisport athletes, compatible with Suunto watches.

Garmin Instinct 3 50mm Solar GPS Smartwatch

SKU: GRM2E50SWTSN

^$449.99

+ wishlist

In Stock

DESCRIPTION

A rugged unisex GPS smartwatch with solar charging, rubber band, heart rate monitoring, and built-in flashlight.

Garmin HRM 600 Heart Rate Monitor

SKU: GRMHRM600XSS

^$169.99

+ wishlist

In Stock

DESCRIPTION

A premium digital heart rate monitor with a comfortable, machine-washable strap and advanced running dynamics tracking.

Suunto Chest Strap

SKU: SNTCSTRPL

^$45

+ wishlist

In Stock

DESCRIPTION

A comfortable and accurate replacement chest strap for Suunto heart rate monitoring, compatible with Movesense.

Coros APEX 2 GPS Outdoor Watch with Nylon Band

SKU: CRSAPX2BLK

^$349

+ wishlist

In Stock

DESCRIPTION

A rugged digital GPS sports watch with a titanium bezel, sapphire glass, and durable nylon band.

Coros APEX 2 Pro GPS Outdoor Watch with Nylon Band

SKU: CRSAPX2PBLK

^$449

+ wishlist

In Stock

DESCRIPTION

A rugged digital GPS sports watch with titanium bezel, nylon band, advanced heart rate sensor, and water resistance.

Garmin Lily 2 Active Sport GPS Smartwatch

SKU: GRML2ASP

^$299.99

+ wishlist

In Stock

DESCRIPTION

A stylish smartwatch with GPS, heart rate tracking, and a 9-day battery, available in silicone bands.

Garmin fenix 8 Sapphire GPS Smartwatch with HRM 600 Heart Rate Monitor

SKU: GRMF8SGSB

^$1269.98

+ wishlist

In Stock

DESCRIPTION

A digital GPS sports watch with sapphire glass, rubber band, and advanced heart rate monitoring features.

Garmin tactix 8 AMOLED Tactical GPS Smartwatch with HRM 600 Heart Rate Monitor

SKU: GRMTXK

^$1469.98

+ wishlist

In Stock

DESCRIPTION

A digital GPS sports watch with AMOLED display, rubber band, and advanced heart rate monitoring.

Garmin fenix 8 Solar Sapphire GPS Smartwatch with HRM 600 Heart Rate Monitor

SKU: GRMF8SK

^$1269.98

+ wishlist

In Stock

DESCRIPTION

A titanium digital GPS sports watch with rubber band, solar charging, and advanced heart rate monitoring.

Garmin Forerunner 570 42mm GPS Smartwatch with HRM 600 Heart Rate Monitor

SKU: GRMFR57042B3

^$719.98

+ wishlist

In Stock

DESCRIPTION

A unisex digital GPS sports watch with rubber band and integrated heart rate monitor for active lifestyles.

Suunto Run Sports Watch

SKU: SNTRUNSTBLK

^$249

+ wishlist

In Stock

DESCRIPTION

A lightweight unisex sports watch offering GPS, heart rate monitoring, and up to 20-hour battery life.

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Heart Rate Sensors

When exploring the world beneath the waves, understanding your own physiology is just as important as knowing your surroundings. Heart rate sensors have become indispensable tools for divers, snorkelers, and underwater athletes who want to monitor their physical performance and maximize both safety and enjoyment. The ability to keep track of your heart rate underwater can provide valuable insights into your exertion levels, helping you pace yourself during long dives or challenging swims. Whether you’re a seasoned diver preparing for a technical descent, a freediver honing your breath-hold technique, or someone who simply enjoys recreational snorkeling on holiday, heart rate sensors offer peace of mind and a deeper connection to your own body’s rhythms. With the holidays approaching and winter adventures on the horizon, these devices also make thoughtful gifts for anyone passionate about aquatic sports, fitness, or health tracking. Imagine the excitement of unwrapping a sleek, waterproof heart rate sensor before a winter dive trip or a tropical getaway—an accessory that blends cutting-edge technology with the timeless pursuit of exploration.

When selecting a heart rate sensor for underwater use, there are several important factors to consider to ensure you get the most out of your investment. Look for devices specifically designed to withstand the rigors of aquatic environments, with robust waterproofing and secure, comfortable straps that won’t shift or chafe during activity. Battery life is another key consideration, especially for those planning extended sessions or remote dive trips where charging opportunities are limited. Features such as real-time data transmission, compatibility with dive computers, and integration with fitness tracking platforms can further enhance your experience, providing actionable feedback both during and after your dive. For instructors or group leaders, heart rate sensors can also serve as valuable teaching tools, allowing you to monitor students’ stress and exertion levels and tailor instruction accordingly. The versatility of these sensors extends beyond the ocean: many models can be used for a wide range of activities, from pool training to open-water swimming and even land-based workouts. If you’re interested in exploring more options for tracking your exertion both in and out of the water, take a look at our dedicated page on Exercise Heart Rate Monitors for additional information and recommendations.

Heart rate sensors are more than just gadgets—they’re companions for your underwater journey, offering real-time insights that can help you dive smarter, train harder, and recover better. For families with active lifestyles, gifting a heart rate sensor can encourage healthy habits and spark a shared enthusiasm for aquatic adventures. Picture a parent and child comparing their stats after a morning swim, or a group of friends challenging each other to improve their endurance on a winter snorkeling excursion. As the days grow shorter and the water cools, staying attuned to your body’s signals becomes even more important, making heart rate monitoring an essential part of your gear. Whether you’re preparing for a new season of diving, looking to improve your performance, or searching for the perfect gift for the water lover in your life, a reliable heart rate sensor is a practical and meaningful choice that supports a lifelong passion for the underwater world.