Spearfishing Accessories

Powerheads are a very controversial subject in the spearfishing community. We do not condone hunting with powerheads, however, we do condone protec...

The Neptonics Muzzle Bungee is made from 100% synthetic rubber. These bungees will not crack or decay like other muzzle bungees. Ultimately, this i...

This is the Sea Pearls Coated Lead Lace-thru Dive WeightsGet the convenience of hard weights without the mess. The Sea Pearls Vinyl Coated Weights ...

The Neptonics Load Assist is a must have accessory for loading roller guns, long spearguns, or for spearfishers with shoulder injuries. It lets you...

The flasher float is the perfect float for traveling and hunting in blue water with lighter-weight ladder and cork-screw flashers. We also like t...

Flashers are a great tool to have with you when you are hunting pelagic fish, but we have also seen reef fish and even calicos (kelp bass) go crazy...

Sea Gold by M Essentials is a powerful anti-fog formula that lasts longer than other anti-fog treatments. It's highly concentrated, so a little goe...

The Peripheral Mask from Neptonics offers an amazing balance between low volume and peripheral view for spearfishing. It is perfect for deep diving...

Every spearo has a few Tuna Clips in use. They are used almost daily to clip accessories to floats, spearguns to floatlines, stringers to belts, a...

Our belt clip points are manufactured in-house at the Neptonics machine shop in Santa Cruz, California. Whether you need to attach stringers, flash...

Have you ever jumped in the water and realized you're a bit heavy or too light, but you don't feel like taking the time to restrict your weight bel...

When you shoot a monster fish, there is a potential that you may have landed a world-record fish, so make sure you have a certified scale to docume...

The Neptonics fish rattle is a great way to attract the attention of a fish; all you need to do is shake it underwater and it sounds similar to th...

This is a must-have item for your spearfishing weight belt set up. It is great for clipping on accessories like lobster bags, stringers, easy lo...

Neptonics Stainless Steel Shackles are avilable in two sizes. Long 1.6in with captive pin and short without captive pin. These are a must have for ...

The Neptonics Line Keeper Pouch is the perfect solution for managing your rigged speargun shaft. It ensures that the shooting line stays compact an...

A rip or tear in your wetsuit is bound to happen at some point. The good news is that wetsuits are very easy to repair. With this wetsuit glue, yo...

Most likely the most notable advancement in spearfishing gear this century, the floatline clutch from Neptonics is an amazing piece of equipme...

The Koah Long Utility Fin Bag is one of the best dive bags available. The bag holds Up to 43" Long Fin (with boot, can get up to 45" folding back o...

Slide rings are an essential component in a slip-tip setup Serves as the anchor point for the slip-tip spectra or wire Made of solid stainless ste...

The Neptonics spearfishing stringer is an essential piece of spearfishing gear. This stringer is attached to the diver weight belt and runs the len...

The stainless steel spearfishing flopper from Neptonics is strong and low profile. The flopper is fast and convenient to install. The flopper fits ...

High-Quality GoPro Speargun Mounts The Neptonics GoPro Wooden Speargun Mount was designed to fit almost all wooden spearguns on the market. It can ...

Woody is a good friend of ours and pretty well known locally as the most insane lobster diver ever. He's obsessed with lobster and lobster gear and...

Neptonic Systems is proud to offer the Deluxe Hand Crimper as part of our Crimping Kit. This crimper is ideal for crimping mono and stainless steel...

Crimping Kit - 300 LB 200FT of 300lb mono 25 crimps Crimping tool

The Neptonics Dive Light Belt HolsterThe Neptonics Dive Light Belt Holster is one of the best additions you can get with your Neptonics 860 Lumen D...

Super handy for stringing fish and abalone for storage in your kayak or cooler. Two welded points of contact create strong design built to last for...

The Garmin inReach Mini satellite communicator provides off-the-grid contact even when size and weight matter. At only 3.5 oz, it has 2-way texting...

The Neptonics Fully Rigged Kayak Kelp Clip allows you to easily secure your kayak or dive board to kelp. This setup is a perfect and noninvasive wa...

Extend the life of neoprene gear without damaging it with Revivex Wetsuit and Drysuit Shampoo. Over time, chlorine and salt damage can degrade exp...

Essential to have a back up pin for travel Keeps Sports Tube closed during transit

Awesome sticker to put on fins to call in fish Great for amberjacks, wahoos, and yellowtails Reflective material looks like a bait fish Recommend ...

Heavy-Duty Lobster Bags for Large Lobsters Secure your lobster catch with this cleverly designed lobster bag. The Heavy-Duty Lobster Bag is equipp...

The Neptonics Fish Scaler is made from 316ss. If you like cooking whole fish this is a must have. Makes quick work of scaling your catch.

Neptonics Beverage Wetsuit! A sick ass way to keep your favorite beverage icy cold!

The Salvimar Fluyd Fin Bag is a backpack design for carrying long freediving diving fins. The backpack has a half-perimeter double slide zipper cl...

200 FEET MONO 25 CRIMPS CRIMPING TOOL

200 FEET MONO 25 CRIMPS Crimping tool

All Sportube cases are blow-molded from high-density polyethylene, which is strong and durable while being very lightweight. Each case is designed ...

Our silicone spray lubricant protectant is the best solution for you when it comes to lubricating or protecting something. It is designed to offer ...

Neptonics Easy Reach Loader is a wrist load assist to help load long roller guns.Simply attach the small hook on the wishbone and use the strength ...

The Neptonics Catch All Tote comes in two sizes. Made of PVC mesh. It Has double reinforced straps and bottom. These bags are perfect for carrying ...

Sector 5 Pistol Grip Dive Lights are great lights for night dives. Long Burning and a very wide beam thats great for scanning the bottom for lobste...

Optional rechargeable battery kit that takes the place of the 3x AAA batteries. This rechargeable Samsung battery comes with a charger Save on bat...

Makes pulling the Sports Tube extremely easy Gives user max leverage to pick up and wield case Easily clips on and off

The Neptonics Kelp Clip allows you to easily secure your kayak or dive board to kelp. This clip will prevent your kayak or dive board from floating...

Protect your spearguns, fins and gear when traveling and flying TSA approved

PoseidonWheeled, Padded Dive Gear BagFully padded, with in line skate wheels and a comfortable pull handle, this bag will take the hassle out of yo...

Neptonics Diver Down Vehicle Tag

The new JBL Saber fillet knife makes short work out of any fish. The 420 stainless blade is 1” wide and 9” long and curved for close to the bone f...

Air travel can be stressful as is, so don't make things worse by getting surprised by an overweight bag at check-in. Weigh your luggage before you ...