The World's First Underwater Jetpack

Jetpack: A jet-propulsion device worn on a person's back to enable flight through the air or space.

Collins English Dictionary

CudaJet, the best superyacht toy for luxury yachts in 2026, flying underwater jetpack, exploring

Unparalleled Freedom

The Underwater Jetpack is untethered and self-powered, allowing about 90 minutes of three dimension water exploration.

CudaJet Superyacht toy Underwater Jetpack below sailing yacht in the Mediterranean

Weightless Flight

Experience the thrill of weightless flight at speeds up to 3 meters per second, effortlessly controlled by your body movements.

Underwater Jetpack and Dolphins interacting with CudaJet in open water, high-speed flight in America, USA

Accepted Into Nature

Technology that brings you closer to nature. When your movement feels natural, everything else follows.

Jetpack with Dolphins
CudaJet Underwater Jetpack patented propulsion system, made for superyachts, the ultimate and best yacht toy, spraying jets into the air

Patented Propulsion System

The Jetpack’s patented propulsion system is the heart of its innovation, making the entire device possible. This one-of-a-kind technology delivers unmatched performance and sets a new standard in underwater propulsion.

Power to Weight 3 : 1

With nearly every component engineered from scratch, the Jetpack boasts an impressive power-to-weight ratio, surpassing that of well-known handheld devices.

Freedom Beyond the Shore


The CudaJet Jetpack is designed to move with you, on land, over rocks, and through surf. Reach remote locations and launch from places no other watercraft can.

  • Person wearing a CudaJet, standing on a rocky shore.

    Portable Power

    With the CudaJet Jetpack on your back, you're free to hike, scramble, and climb to otherwise unreachable launch points.

  • Two people running into the sea with CudaJet Underwater Jetpacks

    Uncompromised Adventure

    CudaJet is designed to be worn on foot, through waves, and into the unknown.

  • Person wearing a Cudajet vest standing on a rocky beach

    Always Ready

    Whether you’re crossing rocks or diving into crystal water, the Jetpack is ready to go when you are.

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Hydrodynamic

A low profile is important for minimising drag. It provides agility underwater, enabling moves such as barrel rolls with ease.

CudaJet Underwater Jetpack on a girl

Made To Fit

The Underwater Jetpack uses a 'quick attach' harness to fit a large range of sizes.

CudaJet Underwater Jetpack in peli case

Compact

Store everything into one protective case for easy transport or storage.

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Advanced Intuitive Control

Your digital interface to the Jetpack, the CudaJet controller, fits perfectly into your hand and just works.

  • CudaJet Underwater Jetpack hand controller in the studio

    Compact

    Ergonomic control in one place.

  • CudaJet Underwater Jetpack hand controller in the studio, showing screen

    Full Colour Display

    Live information where you need it.

  • CudaJet Underwater Jetpack hand controller in the studio, showing trigger

    Smooth Throttle

    1,000 micro steps for intuitive thrust.

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Setting a New Standard

The CudaJet Harness offers superior quality and performance, unmatched by anything else on the market. Fully made in-house with aerospace expertise. You won't find a stitch out of place.

  • CudaJet Underwater Jetpack Harness on Archie O'Brien

    Rapid

    The CudaJet harness can be donned & doffed in seconds.

  • CudaJet Underwater Jetpack Harness

    Carbon Fibre Skeleton

    Ultralight weight, stiff yet flexible, the perfect amalgamation.

  • CudaJet Underwater Jetpack Harness

    Custom Neoprene

    Sustainable and the highest quality neoprene in the World.

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Made In England

We take great pride making our products in our facility in England. Working with over 60 British suppliers and re-investing into CudaJet's research and development, we will help increase manufacturing in England.

  • CudaJet Underwater Jetpack in production with Archie O'Brien

    Start to Finish

    We don't just assemble in England, we take raw materials the whole way through the manufacturing process.

  • Precision Textiles

    Working to tight tolerances, traditionally only used for space suits to produce functional and beautiful Harnesses.

  • Large Tool Investment

    We even make our tooling in the UK, further improving our knowledge base and skills.

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