Scuba Alert Systems

Dive Alert Plus v2

41 reviews

SKU: AQUDPV3

^$91.95

+ wishlist

In Stock

DESCRIPTION

A small and lightweight signaling device that emits a piercingly loud sound both underwater and on the surface.

Pros

Can be used both underwater and on the surface
Powerful and attention-grabbing sound
Easy to install and use
Versatile and effective signaling device
Reliable and good customer service

Storm Whistle

41 reviews

SKU: AQUWSYL

^$10.95

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In Stock

DESCRIPTION

A loud, all-weather whistle with a 120 dB rating for surface or underwater signaling.

Pros

Compact and lightweight
Loud and attention-catching
Effective in all conditions
Durable and reliable
Trusted brand with safety features

Blue Reef Deluxe Surface Marker Buoy (SMB)

33 reviews

SKU: BLRDBDS6OR

^$68.95

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In Stock

DESCRIPTION

A blue surface marker buoy for serious divers, with easy oral inflator and no-spill inflation option.

Pros

Good value for the price
Easy inflation and deflation
Versatile inflation options
Sturdy construction
High visibility

Aqua Tank Banger

30 reviews

SKU: AQUTBBL

^$12.95

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In Stock

DESCRIPTION

A corrosion-free Aqua Tank Banger for underwater signaling with left or right hand operation.

Pros

Simple and easy to use
Fast delivery and good condition
Affordable and reliable
Good sound quality
Effective communication underwater

Suunto D5 Wrist Computer with USB Cable

11 reviews

SKU: SQTD5ABK

~~$499~~ Save: $150.01 (30%)

^$348.99

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In Stock

DESCRIPTION

A versatile Suunto dive computer with vibrating and audio alarms, full-color display, and USB cable.

Dive Alert Signaling Device

7 reviews

SKU: AQUDAS3

^$71.95

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In Stock

DESCRIPTION

A compact Dive Alert Signaling Device with a loud 132db sound for easy surface signaling.

Ocean Reef GSM Gdivers Communication System, Yellow

4 reviews

SKU: OEDGCS

~~$499.95~~ Save: $40.95 (8%)

^$459

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In Stock

DESCRIPTION

A yellow underwater communication system that enhances safety and enjoyment with ultrasonic technology.

Shearwater Perdix 2 Ti Dive Computer with Transmitter

3 reviews

SKU: SWTTP2C

~~$1595~~ Save: $350 (22%)

^$1245

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In Stock

DESCRIPTION

A watch-style scuba dive computer with air integration, Bluetooth, and a user-replaceable battery.

Scubapro Transmitter Smart + Pro

3 reviews

SKU: SCPTSP

^$369

+ wishlist

In Stock

DESCRIPTION

A low-profile smart transmitter with air integration, built-in LED, and pressure display up to 4350 psi.

XS Scuba Tank Banger

2 reviews

SKU: XSSTKBG

^$11

+ wishlist

In Stock

DESCRIPTION

A corrosion-free tank banger with left or right hand operation for simple signaling underwater.

Shearwater Perdix 2 Ti Dive Computer

2 reviews

SKU: SWTTP2SL

~~$1195~~ Save: $300 (25%)

^$895

+ wishlist

In Stock

DESCRIPTION

A durable titanium dive computer with replaceable battery, advanced features, and strong vibration warnings.

Hollis Signal Marker Buoy (SMB)

2 reviews

SKU: HLSMBCC

^$99.95

+ wishlist

In Stock

DESCRIPTION

A highly visible bright orange surface marker buoy (SMB) made of 300-D Polyester with oral inflation and quick dump valve.

Shearwater Petrel 3 Dive Computer

1 reviews

SKU: SWTPT3DC

^$1325

+ wishlist

In Stock

DESCRIPTION

A powerful scuba dive computer with user-replaceable battery, digital compass, and Bluetooth connectivity.

Innovative Scuba Open Ocean 10' (305cm) Cordura Signal Tube

1 reviews

SKU: BLR10CST

^$74.95

+ wishlist

In Stock

DESCRIPTION

A 10-foot safety sausage with light stick holder, whistle, and nylon mesh storage bag.

Ocean Signal rescueME MOB1

SKU: OCLSMOB1

^$384.95

+ wishlist

In Stock

DESCRIPTION

A compact, waterproof AIS beacon with integrated GPS, DSC alarm, and strobe light for rapid overboard rescue.

Seac Emergency Signal Marker Buoy

SKU: SECMRKRBUOY

~~$31.90~~ Save: $6.38 (20%)

^$25.52

+ wishlist

In Stock

DESCRIPTION

A bright orange, lightweight surface marker buoy with secure rope and storage bag for enhanced diver safety.

Garmin Descent X30 Dive Computer

SKU: GRMDX30

~~$749.99~~ Save: $200 (27%)

^$549.99

+ wishlist

In Stock

DESCRIPTION

A rugged dive computer with a vibrant color display, recycled plastic housing, and advanced multi-gas support.

Salvimar Shaker Underwater Communication Device

SKU: SLVAP031

^$40.95

+ wishlist

In Stock

DESCRIPTION

An essential scuba safety tool providing reliable audible signals for effective underwater communication.

Seac Diver Alert Marker Buoy

SKU: SECSMBWV

~~$99~~ Save: $19.80 (20%)

^$79.20

+ wishlist

In Stock

DESCRIPTION

A bright red inflatable surface marker buoy offering reliable visibility and stability for diver safety signaling.

Seac Transmitter Bluetooth For Tablet Computer

SKU: SECTBT

~~$349~~ Save: $69.80 (20%)

^$279.20

+ wishlist

In Stock

DESCRIPTION

A compact Bluetooth transmitter providing real-time tank pressure data with multi-color LED alerts for divers.

Shearwater Perdix 2 Ti Dive Computer with GPS Transmitter

SKU: SWTTP2GC

~~$1640~~ Save: $350 (21%)

^$1290

+ wishlist

In Stock

DESCRIPTION

A rugged titanium dive computer with GPS transmitter, vivid color display, vibration alerts, and Bluetooth connectivity.

Mares LED Tank Module, ~Open Box

SKU: MRSQTOB

~~$339.95~~ Save: $135 (40%)

^$204.95

+ wishlist

In Stock

DESCRIPTION

An air-integrated transmitter with intuitive LED color alerts and hose-less RF tank pressure monitoring for enhanced safety.

Garmin inReach Mini 2 Compact Satellite Communicator

404 reviews

SKU: GRMIM2FR

^$349.99

+ wishlist

In Stock

DESCRIPTION

A compact and lightweight satellite communicator with TracBack routing and digital compass for accurate heading information.

Pros

Good battery life
Compact and lightweight
Reliable messaging and tracking
Provides peace of mind and safety
Versatile and configurable

Cressi Leonardo 2.0 Wrist Computer

89 reviews

SKU: CSBLWYL

~~$249.95~~ Save: $25 (10%)

^$224.95

+ wishlist

In Stock

DESCRIPTION

A simple and functional wrist computer with a single button interface, large numerical displays, and distinct audible alarms.

Pros

Useful safety features
Affordable and good value for money
Easy to use and program
Reliable and accurate
Clear and easy-to-read display

Innovative Scuba Inflatable Flag-N-Float

75 reviews

SKU: AQUFFI

^$72.95

+ wishlist

In Stock

DESCRIPTION

A deflatable red and white "Diver-Down" flag with a bright yellow base for easy identification and increased dive safety.

Pros

Good visibility and flag design
Convenient storage and extra compartments
Compact and easy to stow
Durable and sturdy construction
Versatile and multi-use

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Scuba Alert Systems

When preparing for scuba diving adventures, safety and clear communication are always at the forefront of every diver’s mind. As the weather warms and dive sites become more active, the importance of reliable scuba alert systems grows even more apparent. These devices, often referred to as underwater signaling devices or scuba alerts, are essential pieces of scuba diving safety equipment that serve a crucial role both below the surface and above. Whether you’re exploring vibrant reefs, navigating kelp forests, or joining a guided dive on a busy weekend, an effective underwater communication device can make all the difference. Divers use these systems to quickly get the attention of a buddy, signal their position to a group, or alert a boat crew if they surface away from the planned exit point. The unmistakable sound of a pneumatic horn or the sharp rattle of a mechanical shaker cuts through ambient noise and water movement, ensuring that signals are not missed even in challenging conditions. For newer divers, the reassurance of a dependable alert system can help build confidence, while experienced divers appreciate the added layer of safety during deep or drift dives. These devices are also a thoughtful gift for dive instructors, rescue divers, or anyone who values preparedness and peace of mind when exploring the underwater world.

Selecting the right scuba alert system involves considering your typical dive environments, the gear you already own, and your personal communication preferences. Many divers opt for pneumatic horns that attach seamlessly between the BCD inflator and low-pressure hose, using a small burst of tank air to produce a loud, attention-grabbing sound. These signals are designed to be heard at impressive distances—sometimes up to a mile on the surface—making them invaluable during busy seasons when boat traffic increases or when visibility is reduced. Mechanical rattles and shakers, on the other hand, offer a simple, low-maintenance alternative that’s easy to operate with gloved hands, making them a favorite for cold-water or night dives. For those who prefer non-audible cues, vibrating dive computers and other tactile alert systems provide discreet notifications for critical safety information. As technology advances, some divers are also incorporating more advanced underwater communication devices into their setups, allowing for more nuanced signals beyond basic alerts. When choosing a system, it’s wise to check compatibility with your existing gear, as different inflator connections or mounting styles may be required. For anyone leading groups, working as a dive professional, or diving in areas with strong currents, these devices are an indispensable part of a complete safety toolkit.

As you plan your dives through late spring and into the heart of summer, consider how a well-chosen scuba alert system can enhance both safety and enjoyment for yourself and your dive buddies. Whether you’re gifting a new diver their first piece of scuba diving safety equipment or upgrading your own signaling options for more challenging adventures, these devices are a small investment with significant returns. Their versatility makes them suitable for travel, local shore dives, and even liveaboard trips, where group coordination is key. For those interested in expanding their safety gear even further, options like marker lights and electronic beacons can provide additional visibility and signaling capabilities—explore more about these solutions at Scuba Beacons. Ultimately, the right alert system becomes second nature: a reassuring presence clipped to your gear, ready to bridge the gap between you, your dive team, and the surface whenever communication matters most.