Second Stage Scuba Regulators

Cressi XS Octopus

87 reviews

SKU: CSBOXS

~~$124.95~~ Save: $15.95 (13%)

^$109

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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 XS2/AC2 Piston Regulator

57 reviews

SKU: CSBRXS2

^$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

Atomic Aquatics Safe Second Inflator (SS1), Stainless Steel

34 reviews

SKU: ATMSS1SYL

^$449.95

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In Stock

DESCRIPTION

A lightweight, streamlined stainless steel inflator with high flow 2nd stage and easy single hand operation.

Pros

Convenient
No leaks
Streamlined setup
Easy breathing at depth
Versatility

Aqualung Calypso/Titan Octopus

28 reviews

SKU: UDRCTO

^$219

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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

XS Scuba Second Stage Quick Disconnect

16 reviews

SKU: XSSSSQD

^$71.95

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In Stock

DESCRIPTION

A chrome brass quick disconnect for attaching multiple 2nd stages to a single hose.

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.

Aqualung Calypso Regulator

12 reviews

SKU: UDRCLR

^$370

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In Stock

DESCRIPTION

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

Sherwood Brut Pro Regulator

12 reviews

SKU: SWDBRP

^$364.95

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In Stock

DESCRIPTION

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

Mares Prestige 15X and Prestige Octopus Package

10 reviews

SKU: MRSPKPRGY

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

^$449

+ wishlist

In Stock

DESCRIPTION

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

Hollis DC7 500SE Regulator with Maxflex Hose

10 reviews

SKU: HLSDC75Y

~~$749.95~~ Save: $350.00 (47%)

^$399.95

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In Stock

DESCRIPTION

A precision regulator set with environmentally sealed, durable materials and adaptable second stage positioning.

Scubapro MK25 EVO/S620Ti Dive Regulator System

9 reviews

SKU: SCPM25ES620

^$1185

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In Stock

DESCRIPTION

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

Cressi XS Compact Octopus

8 reviews

SKU: CSBOC

^$154.95

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In Stock

DESCRIPTION

A reliable and comfortable Cressi octopus with a low profile design and non-corrosive materials.

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.

Cressi XS Compact Pro MC9 SC Regulator

7 reviews

SKU: CSBRCPS

^$389.95

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In Stock

DESCRIPTION

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

Atomic Aquatics B2 Sealed Regulator Yoke

7 reviews

SKU: ATMB2SS

^$1019.95

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In Stock

DESCRIPTION

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

Dive Rite XT2 Second Stage Only (No Hose)

7 reviews

SKU: DIVRG5200R

^$150

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In Stock

DESCRIPTION

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

Scubapro MK25 EVO/A700 Dive Regulator System

6 reviews

SKU: SCPM25EA70

^$1254

+ wishlist

In Stock

DESCRIPTION

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

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 XT Regulator

6 reviews

SKU: DIVRG5300Y

^$475

+ wishlist

In Stock

DESCRIPTION

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

Atomic Aquatics ST1 Swivel Sealed Regulator

6 reviews

SKU: ATMST1SS

^$1519.95

+ wishlist

In Stock

DESCRIPTION

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

Scubapro S600 Regulator, Second Stage Only

5 reviews

SKU: SCPS600N

^$602

+ wishlist

In Stock

DESCRIPTION

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

Scubapro A700 Regulator, Second Stage Only

5 reviews

SKU: SCPA700

^$769

+ wishlist

In Stock

DESCRIPTION

A durable, high-performance second stage regulator with adjustable features for optimal breathing sensitivity.

Dive Rite XT Advanced Open Water Regulator

5 reviews

SKU: DIVPK53D

^$759

+ wishlist

In Stock

DESCRIPTION

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

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Second Stage Scuba Regulators

The second stage regulator is the heart of your underwater breathing system, transforming high-pressure air from your tank into the smooth, breathable flow you rely on with each inhale beneath the surface. Whether you’re a newcomer excited for your first open water certification or a seasoned diver planning a summer of exploration, choosing the right regulator second stage can make all the difference in your comfort and safety. As June ushers in warmer waters and the prime dive season, many divers find themselves evaluating their gear, seeking upgrades that match their growing skills and ambitions. The second stage is where performance truly meets personal preference: some divers look for an ultra-lightweight design that feels almost unnoticeable on long reef drifts, while others prioritize rugged durability for challenging conditions like wrecks or cold water. For those who travel, compact and reliable options ensure peace of mind when packing for distant adventures, while local divers might focus on models with easy field maintenance and robust build quality, knowing their gear will see regular use.

Second stage regulators also make thoughtful gifts for dive buddies, family members, or anyone celebrating a diving milestone. They’re especially suitable for divers who already own a first stage or are assembling a custom setup—perhaps as a backup or for use with a pony bottle. When giving a regulator second stage as a gift, consider the recipient’s style of diving: do they love warm, tropical reefs, or are they drawn to the mysteries of deep, cold lakes? Features like adjustable breathing resistance, venturi switches, and oversized purge buttons can be a welcome upgrade for divers who want more control or who often wear thick gloves. For instructors, divemasters, or technical divers, having an additional second stage on hand is more than a luxury—it’s a necessity for redundancy, safety, and teaching. As the season progresses and diving conditions shift, many experienced divers keep a spare second stage in their save-a-dive kit, ready to swap in at a moment’s notice.

No matter your level of experience, investing in a quality second stage regulator is an investment in every dive you’ll take this season and beyond. From the gentle exhale of bubbles as you hover over a coral garden to the steady, reliable delivery of air on a deep wreck penetration, your second stage is with you every moment underwater. For those venturing into advanced or technical realms, it’s worth exploring specialized options designed for greater depths and demanding environments—our selection of Technical Diving Regulators is tailored for precisely these needs. As you browse our curated list, imagine the freedom and confidence that comes from knowing your breathing system is built to perform, dive after dive, wherever your underwater journey leads.

Top Picks For Second Stage Scuba Regulators