Cave Diving Regulators

Cressi XS Octopus

89 reviews

SKU: CSBOXS

~~$189.95~~ Save: $60 (32%)

^$129.95

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In Stock

DESCRIPTION

A reliable and high-performance Cressi XS Octopus with a lightweight design and dependable valve.

Pros

Great performance and breathability
Good value for the price
Easy to use and adjust
Budget-friendly
Reliable and durable

Cressi AC2/XS2 Regulator

57 reviews

SKU: CSBRXS2

~~$289.95~~ Save: $70 (24%)

^$219.95

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In Stock

DESCRIPTION

A dependable piston regulator with a marine-grade brass 1st stage and durable hi-tech polymer 2nd stage.

Pros

Lightweight and comfortable
Reliable and dependable
Affordable and good value for money
Easy and effortless breathing
Versatile and works in both cold and warm water

Mares Prestige 15X and Prestige Octopus Package

32 reviews

SKU: MRSPKPRGY

~~$619.90~~ Save: $170.90 (28%)

^$449

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In Stock

DESCRIPTION

A lightweight Mares regulator package with diaphragm first-stage, 4 LP ports, and 2 HP ports.

Aqualung Calypso/Titan Octopus

28 reviews

SKU: UDRCTO

^$239

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In Stock

DESCRIPTION

A reliable and easy-to-use octopus with a silicone mouthpiece and polycarbonate housing.

Pros

Great breathability
Reliable and easy to use
Prompt delivery and well-packed
Inexpensive and good value
Works well in cold water

Atomic Aquatics T3 Titanium Swivel Sealed Regulator

15 reviews

SKU: ATMT3RY

^$2369.95

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In Stock

DESCRIPTION

A lightweight, titanium regulator with a swivel feature for easy breathing and unparalleled reliability.

Scuba Regulator & Octo Grab Bag

15 reviews

SKU: SCBR1O

~~$514.90~~ Save: $134.95 (26%)

^$379.95

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In Stock

DESCRIPTION

A reliable and balanced scuba regulator and octo grab bag for underwater diving.

Oceanic Alpha 8 SP5 Piston Regulator, Black

13 reviews

SKU: OCNA8SP5BK

^$334.95

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In Stock

DESCRIPTION

A durable black piston regulator with easy breathing, Nitrox compatibility, and exceeding safety standards.

Sherwood Brut Pro Regulator

13 reviews

SKU: SWDBRP

^$400

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In Stock

DESCRIPTION

A reliable Sherwood Brut Pro regulator with optimal inhalation and exhalation, nitrox compatible up to 40%.

Zeagle F8 Yoke Regulator

12 reviews

SKU: ZGLF8

^$749.95

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In Stock

DESCRIPTION

A high-performance yoke regulator with a low-profile design, environmentally sealed first stage, and adjustable second stage.

Aqualung Calypso Regulator

12 reviews

SKU: UDRCLR

^$389

+ wishlist

In Stock

DESCRIPTION

A lightweight and reliable Aqualung Calypso Regulator with adjustable 2nd stage and Nitrox compatibility.

Mares Abyss 22 Navy II Regulator

10 reviews

SKU: MRSAN22

^$869.95

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In Stock

DESCRIPTION

A high-performance scuba diving regulator with an environmentally sealed, balanced diaphragm design for extreme conditions.

Scubapro MK25 EVO/S620Ti Dive Regulator System

9 reviews

SKU: SCPM25ES620

^$1249

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In Stock

DESCRIPTION

A high-performance regulator set with a balanced piston first stage and adjustable inhalation control.

Cressi AC2/XS2 Regulator & XS2 Octo Package

9 reviews

SKU: PCKXS2

~~$344.90~~ Save: $94.90 (28%)

^$250

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In Stock

DESCRIPTION

A lightweight, high-performance regulator and octopus package with a non-balanced flow-by piston design.

Atomic Aquatics B2 Regulator Yoke

8 reviews

SKU: ATMB2S

^$969.95

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In Stock

DESCRIPTION

A lightweight, all-titanium regulator with adjustable 2nd stage and patented comfort swivel for easy breathing.

Scuba Regulator Grab Bag

8 reviews

SKU: SCBR1

~~$364~~ Save: $99.05 (27%)

^$264.95

+ wishlist

In Stock

DESCRIPTION

A piston first-stage regulator with a pneumatically balanced 2nd stage design and nitrox compatibility.

Atomic Aquatics ST1 Swivel Sealed Regulator

7 reviews

SKU: ATMST1SS

^$1649.95

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In Stock

DESCRIPTION

A corrosion-resistant stainless steel regulator with smooth breathing and tangle-free movement.

Cressi MC9-SC Compact Pro Yoke Regulator

7 reviews

SKU: CSBRCPS

^$499.95

+ wishlist

In Stock

DESCRIPTION

A lightweight, environmentally sealed regulator with enhanced performance and reduced effort for easy travel.

Dive Rite XT2 Second Stage Regulator (No Hose)

7 reviews

SKU: DIVRG5200R

^$199

+ wishlist

In Stock

DESCRIPTION

A pneumatically balanced second stage with a carbon fiber cover and ABS plastic case.

Atomic Aquatics B2 Sealed Regulator Yoke

7 reviews

SKU: ATMB2SS

^$1019.95

+ wishlist

In Stock

DESCRIPTION

A lightweight, ergonomic regulator with a titanium second stage and patented comfort swivel.

Scubapro MK25 EVO/A700 Dive Regulator System

6 reviews

SKU: SCPM25EA70

^$1299

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In Stock

DESCRIPTION

A high-performance regulator set with customizable breathing options and enhanced cold-water diving capabilities.

Dive Rite XT Regulator

6 reviews

SKU: DIVRG5300Y

^$575

+ wishlist

In Stock

DESCRIPTION

A patented, environmentally sealed regulator with optimal hose routing and Teflon-coated parts.

Atomic Aquatics M1 Regulator Yoke Sealed

6 reviews

SKU: ATMM1BK

^$1019.95

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator designed for extreme diving situations, with nitrox-ready capabilities and freeze protection.

Dive Rite XT1/XT2 Advanced Open Water Regulator Package

5 reviews

SKU: DIVPK53Y

^$975

+ wishlist

In Stock

DESCRIPTION

A streamlined, environmentally sealed regulator with adjustable 2nd stage and cold-water ready components.

Atomic Aquatics M1 Regulator DIN Sealed

5 reviews

SKU: ATMM1BKD

^$1019.95

+ wishlist

In Stock

DESCRIPTION

A highly durable and corrosion-resistant Atomic M1 Regulator with DIN system, suitable for cold water and extreme diving.

Scubapro S600 Regulator, Second Stage Only

5 reviews

SKU: SCPS600N

^$620

+ wishlist

In Stock

DESCRIPTION

A durable Scubapro S600 second stage regulator with adjustable inhalation effort and comfortable mouthpiece.

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Cave Diving Regulators

Cave diving is a discipline that demands uncompromising reliability and specialized equipment, with regulators standing at the core of any diver’s safety and performance in overhead environments. Cave diving regulators are engineered to thrive in some of the most challenging underwater conditions—tight passageways, fluctuating depths, and environments where silt, cold, and contaminants are ever-present threats. For divers venturing into submerged caves, the regulator is more than just a breathing device; it’s a lifeline that must deliver consistent, high-performance airflow regardless of depth, tank pressure, or water temperature. This is why balanced diaphragm or piston regulators, which provide steady intermediate pressure, are favored by experienced cave divers. Environmental sealing is another critical feature, protecting the first stage from grit, silt, and freezing, especially in spring-fed cave systems where water temperatures can remain brisk even as the weather warms above ground. Rugged construction, often with metal second stages, ensures durability against accidental knocks on limestone walls or equipment abrasion during long penetrations. The configuration of cave diving regulators is equally important: most setups use DIN fittings for higher pressure ratings and security, long hoses (ranging from five to seven feet) for primary second stages to facilitate air sharing in tight spaces, and backup regulators on short hoses worn on a necklace for immediate access in emergencies.

Selecting the right cave diving regulator goes beyond technical specifications—it’s about matching your gear to your dive plans, experience, and the unique challenges of each cave system. Whether you’re assembling a doubles setup for extended penetrations or configuring sidemount regulators for streamlined movement through low silty passages, attention to hose routing, swivel connections, and accessory compatibility is essential. Many seasoned divers recall their first foray into cave diving as a transformative experience, where the right regulator setup provided peace of mind while exploring cathedral-like chambers adorned with stalactites and shimmering mineral deposits. For those new to the sport, investing in a dedicated cave diving regulator is a rite of passage, signaling a commitment to safety and skill development. These regulators are also a thoughtful gift for advanced divers pursuing technical certifications, as well as for instructors and explorers who spend countless hours mapping new passages or leading groups through intricate underwater mazes. As the summer months invite more divers to travel and explore, reliable regulators become even more crucial for those planning multi-day trips to renowned cave systems or embarking on expeditions that require extended bottom times and redundant air supplies. Pairing your regulator with the right tanks is essential for optimal performance and safety; you can explore compatible options on our dedicated Cave Diving Tanks page.

Equipping yourself with a purpose-built cave diving regulator is about more than technical prowess—it’s a matter of trust that builds with each breath taken in the silent, awe-inspiring world beneath the earth’s surface. The right regulator setup empowers divers to move confidently through complex tunnel systems, manage gas switches seamlessly, and handle emergency scenarios with calm precision. Accessories such as bungee necklaces, hose retainers, and custom mouthpieces add another layer of personalization and utility, making every dive safer and more comfortable. Whether you’re preparing for a summer of exploration in Florida’s freshwater caves, planning a training trip with your dive team, or simply upgrading your technical gear, choosing the right regulator is a foundational step toward unforgettable—and safe—adventures underground.