Any experienced diver knows that you need more than just the basics in your gear bag. We picked the best of the rest from our 2017 scuba diving Gear Buyers Guide — including, dive knives, bags, and more.

More from the Gear Guide: Drysuits | Regulators | Computers

IST Sports DB20L Dry Bag

• Waterproof 500D PVC with fusion-welded seams

• Adjustable cross-body strap lets you keep hands free

You can keep your clothes dry and valuable cameras, phones, and other electronics safe and secure when they’re packed in IST’s fully waterproof 20-liter dry bag. The double-roll top opening creates a carry handle.

$20; istsports.com

IST Sports DB40L Dry Bag

• Cross-body strap is adjustable

• Waterproof 500D PVC with fusion-welded seams

For the big jobs, this bag offers twice the cargo carrying capacity as IST’s DB20L. The bag is great for stowing spare clothes and electronics.

$26; istsports.com

SCUBAPRO Cabin Bag

• Reinforced grab handles at strategic locations

• Swiveling skate wheels for easy maneuvering

The updated Cabin Bag hits the maximum approved size and swallows gear in a 41-liter main compartment accessed by a handy U-shaped double-slider coil zipper. Inside there are interlocking compression straps and a zippered accessory pocket to keep your valuables secure.

$172; scubapro.com

Stahlsac Steel 34 Roller Bag

• 148-liter roller bag holds a complete dive kit and more

• Weighs in at a featherweight 12.6 pounds for its size

Stahlsac’s smart, clam-shell stowage system keeps wet and sandy items in a sealed bottom compartment separated from a breathable dry chamber on top. Its replaceable internal metal frame gives this burly rig strength.

$359.95; stahlsac.com

Spyderco Assist Salt

• Durable, rustproof H-1 steel blade

• One-handed opening, even with gloves

This knife offers versatility thanks to a proprietary SpyderEdge cutting blade with serrated and flat surfaces, a retractable glass breaker and a built-in whistle. Features include a fiberglass-reinforced nylon handle, an H-1 steel locking mechanism and a reversible wire pocket clip.

$159.95; spyderco.com

Spyderco Snap-It Salt Lightweight

• Kraton textured grip stays secure when wet

• PlainEdge or SpyderEdge blade configurations

With a snap shackle anchored to the pivot end of the handle that enables users to clip it to a D-ring or other attachment point when closed, the H-1 steel blade is crafted with nitrogen rather than carbon to give it serious rust resistance as well as flexibility and durability.

$134.95; spyderco.com

Spyderco Pacific Salt Black

• Rustproof H-1 steel requires little maintenance

• Strong locking mechanism for added safety

The Pacific Salt Black is designed to be so durable that divers can put it away wet without fear of rusting thanks to its H-1 steel blade. It offers a textured handle for a secure grip, and the trademarked Round Hole blade enables one-handed opening, even with thick gloves.

$139.95; spyderco.com

Underwater Kinetics Blue Tang Titanium

• Features a non-corroding titanium blade

• Knife can be quickly disassembled without tools

This classic multifunction dive knife’s titanium blade is 100 percent corrosion resistant. The blade is 5 inches long and comes with both serrated and smooth cutting edges, a notch for cutting line, plus is available with either a drop point or blunt tip.

$121.99; uwkinetics.com

Indigo Industries Nautilus GLH DPV

• Two 350-watt motors for extra speed

• Easy to load on and off the boat at about 20 pounds

Cruise through the water and extend your bottom times with the help of the Nautilus GLH DPV. With a Lithium 320Whr battery and dual motors, this DPV can take you up to a speed of 4 mph for 30 minutes or about 2 mph for an hour, saving you energy on dives.

$2,100; indigo-industries.com

Indigo Industries Nautilus XP DPV

• The design puts the thrust behind you, avoiding a water blast to the face

• Features include forward and reverse controls and a tethered, hand-held trigger

The Nautilus XP measures only 17 inches in length and weighs less than 15 pounds, so it’s compact for transportation as well as easy to use. It will propel you through the water with 12 pounds of thrust for up to 40 minutes.

$1,399; indigo-industries.com

Submersible Systems Spare Air 300

• Designed to be faster than buddy breathing, easier than an octopus

• Includes a 3-cubic-foot bottle, demand regulator, fill adapter and more

The Spare Air 300 has been getting divers safely back to the surface for 35 years. The familiar yellow bailout bottle is nicknamed the “diver’s reserve parachute,” and it continues to be the backup air system of choice for many divers.

$320; spareair.com

Submersible Systems Spare Air 170

• Refills quickly and easily from a standard scuba tank using the included adapter

• Ultracompact size allows it be mounted within easy reach

The smallest portable air source in the world, the Spare Air 170 is a complete backup air delivery system that includes a 1.7-cubic-foot bottle, on-demand regulator, pressure indicator and storage holster for quick deployment. Two quick-disconnect straps connect the holster to anywhere on your BC or tank that you choose.

$320; spareair.com

Submersible Systems EasyDive Explorer

• The new “Snorkelator” allows you to switch from snorkel to a regulator with the flick of a switch

• Combined 15-pound total weight for both snorkel and dive adventures

The EasyDive Explorer is an innovative SCUBA kit from the folks who make Spare Air. The minimalistic setup includes a unique valve/ first stage combo, tank refill adapter, pony tank vest and the Snorkelator, which combines a snorkel and second stage into a single mouthpiece. Whether you’re shooting underwater photos, hunting for scallops and lobsters, or working on your boat below the surface, this is the tool for you.

$525; easydive.us