neptonics

Our foam-filled floatline is superstrong, durable, and reasonably priced. The foam core offers additional buoyancy and the high-visibility orange ...

Neptonics Foot Pockets are ultra-lightweight and incredibly durable. Named the "Featherlite" foot pocket, these are one of the few pockets on the m...

Celebrate your love for spearfishing this Love Of Spearfishing Shirt!

Neptonics 10mm Free Diving Line is super soft and strong! Made to work in conjunction with the Octopus Freediving Gear. The line comes in four len...

The Neptonics Plastic Freediving Fins are great introductory spearfishing fin. The tough, durable, plastic blades are combined with our famous and ...

The Neptonics Free-Diving Float is awesome for line diving. It has a full strap with a D-ring to clip your Line, Float line or Kelp clip too. Use i...

Free diving is an incredible, life-changing experience that should only be performed with the utmost safety precaution and, of course, proper equip...

The Neptonics snorkel is our all-time favorite for free diving, snorkeling, and spearfishing because of its extra-wide tube. It is extremely comfor...

The Neptonics Gear Cube is made of UV treated PVC. These gear cubes are perfect for organizing all the extra essentials in your gear bag. Perfect f...

Neptonics Gift certificates are emailed to you or your recipient instantly. The certificate code can be used online and it never expires. Great las...

The Neptonics Gyotaku Shirt design is a rubbing done by our dive buddy EXÖTICA! The 187lb Dogtooth Tuna shot by Jerry Guerra was rubbed at sea on a...

Neptonics Hats! Well they're hats, but they are pretty bad ass! High quality SNAPBACKS!

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...

Neptonics Inset Line Guide is designed to be installed beside the track. This works best on open track roller guns where the risers extend to the f...

Super Simple Speargun Line Anchor. Quick Install 100% Marine Grade Stainless Steel. Screws Included

The Neptonics Jacketed Dyneema Line is the best line out there for reels or shooting line. This line is stiff enough to line easily onto a spear sh...

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...

Neptonics line anchors are used to wrap and hold your shooting line against your speargun and provide an anchor point for your shooting line and mu...

Wraps the shooting line over the shaft holding it to the gun Stainless steel construction Comes with stainless steel screws

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

Stainless Steel Line Release with a set screw and a pin retainer Works with Neptonics Reef and Tuna Trigger Mechs

Stainless Steel Line Release with a set screw and a pin retainer Works with Neptonics Reef and Tuna Trigger Mechs

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 Marseilles rubber weight belt from Neptonics is a great choice for free diving and spearfishing. This belt is ultra-stretchy and stays around y...

The Neptonics Push Button Dive Light is great for spearfishing! It shines bright in holes and is extremely effective at spotting lobsters at night ...

The Neptonics P-TOUGH Booties are the apex of spearfishing and freediving booties. Engineered for performance, comfort, durability, and protection....

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

Pigtail swivels / corkscrew swivels are great for clipping your shooting line to your spearguns. They work well on your speargun reel line. Swivels...

Pigtail swivels / corkscrew swivels are great for clipping your shooting line to your spearguns. They work well on your speargun reel line. Swive...

Neptonics Pinch Weight Mold for the do it yourself diver. This mold produces two lead weights with each pour. Each weight is 2lbs. Clam shell mold ...

Unique Pinch Design works with any rubber weight belt The Pinch Design prevent weights from sliding around on belt

Pole Spear Power Band Rubber is stocked and stored in a dark, climate-controlled room to ensure maximum life. Each pole spear power band is made t...

The Neptonics Speargun Rubber Kit has everything you need to make your own rubber speargun bands. This is a great kit to keep in your dive bag. Our...

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

The Neptonics Pre-Cut Teak Speargun Blanks Kit is everything you need to build your custom speargun. Neptonics Speargun Blanks are made from Teak a...

The Neptonics Pro Pole Spear Case is fundamental for safekeeping your broken down pole! Holds (2) pole spears, including the Headhunter Nomad, the ...

  The Neptonics Pro Pole Spear Case is fundamental for safekeeping your broken down pole!  Holds (2) pole spears, including the Headhunter Nomad, t...

The Neptonics mid-handle push rod is an essential component every mid-handle speargun. The push rod connects the remote trigger to the trigger mech...

The Neptonics push rod retainer is an essential component for every mid-handle speargun. The push rod retainer holds the push rod in place that con...

Take the Neptonics Microfiber Towels anywhere – Diving, pool training, camping, backpacking, in the field, or to the beach. As an essential piece o...

The Neptonics Quantum Stealth Spearfishing Rash Guard Top, is an elite Lycra to protect you in the warmest of oceans. Its camouflage pattern is ble...

The Neptonics Quantum Steatlh Sun Shield, is made from 2 way poly stretch fabric that is moisture wicking, machine washable, and UPF 30 fabric. Thi...

The Neptonics Quantum Stealth Wetsuit, is an elite wetsuit. It comes in four thicknesses options to protect you in the warmest to the coldest of o...

Some divers prefer to have a safety mechanism on their guns. For those divers, we have developed the Reef Mech Safety Kit. This safety kit works wi...

The Neptonics Reef Speargun Trigger Mechanism is the most tried-and-true mech on the market. Made out of 100% stainless steel in our California wo...

Used on mid-handle guns to activate your rear-trigger mechanism Both remote triggers are made of high-quality 316 stainless steel Available in sta...

Neptonic fin rails increase the performance of your fins by channeling water down the blade while also extending the lifetime of your fins.Sold by ...

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...

Our Roller Kit can be mounted flush on your speargun. The Double Roller Stainless Steel bracket has two 1/4" pins that anchors into your wood spear...

These Rollers are the ones we use for our spearguns. They are very strong, made from Delrin. The standard has no bearings, and are made in two size...

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 ...

Made from the highest grade of marine stainless steel Comes with stainless steel mounting screws Rock-solid line anchor

The Shark Tooth Bottle Opener allows you to pop open your favorite beverage in style. The shark tooth silhouette comes from the the Mako Shark too...

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 Solar Hoodies with UPF 50 sun protection are the ultimate in boat attire. The microfiber performance polyester is light weight yet d...

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

This is the perfect spearfishing bungee for yellowtail, white sea bass, dorado, pargo, amberjacks, wahoo, and cobia. This spearfishing bungee width...

Heavy duty for a lifetime of use Weight-belt webbing weaves through the weight Precision-made dive weights Available in three sizes Great prices &...

Here at Neptonics we pride ourselves in having a wide variety of different spearfishing rubber available for any of your spearfishing needs. We hav...

The Neptonics Speargun Butt is made from injection molded synthetic rubber. It's diameter is 1.25 inches which provides a very stable loading platf...

Neptonic Systems now offers a great selection of premium speargun shafts, in stock and ready to ship! These shafts work with any type of American m...

Spectra is a super strong Polyethylene fiber that offers maximum strength and minimal weight Spectra floats on water and is extremely durable Extr...

Spectra used to make your own powerbands. This Spectra is the perfect diameter for Euro Shafts. Tie a simple double overhand knot once the spectra ...

2.0mm SPECTRA 1000lb+ High-visibility dyneema/spectra is perfect for your speargun reel or rigging your shafts Superb abrasion resistance and durab...

High-visibility dyneema/spectra is perfect for your speargun reel or rigging your shafts Superb abrasion resistance and durable UV coating Neptoni...

Dyneema Wishbones for Euro Shafts. These wishbones work best for "Notched" shafts Absolutely the strongest wishbones Extremely abrasion resistant 1...

We use 2.8mm Spectra for these wishbones that work fantastic on shafts with SHARKFIN TABS. This thick dyneena wishbone material will literally last...

Neptonics is proud to offer our Stainless Steel Crimping Tool. Its built for crimping spearfishing mono and stainless steel cable. Hardened for dur...

The Neptonics Stealth Wetsuit, is an elite solid black wetsuit. It comes in two thicknesses options. This all black wetsuit is jam-packed with feat...

Neptonics Stickers

The Neptonics Stretch floatline is the perfect floatline for fast running, soft fleshed species. These include Wahoo, Kingfish, Spanish Mackerel, a...

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

These Thermo Flex gloves are the best insulated freedive hunting and spearfishing gloves we have used. Ultra supple, comfortable, and very warm, ye...

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 Tuna Speargun Trigger Mechanism is awesome! The housing is still machined out of a solid stainless steel and fully-rounded ends make it a breez...

The Ultra High Molecular Weight Enclosed Track helps support and guide spears as they fire out of your gun. The enclosed nature of the track reduce...

The Neptonics stainless steel Belt Reel Mount comes ready to use. All you need to do is add any existing reel you have. Use an extra reel you have ...

Some divers prefer to have a safety mechanism on their guns. For those divers, we have developed the Universal Safety Kit. This safety kit works wi...

Tired of adjusting your weight belt? A crotch strap will end any horizontal or vertical movement for good. When entering the water or descending to...