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

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CudaJet, the best superyacht toy for luxury yachts in 2025, flying underwater jetpack, exploring

Unparalleled Freedom

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

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.

Underwater Jetpack patented propulsion system, made for superyachts, the ultimate and best yacht toy

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.

Designed for Superyachts

Hydrodynamic

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

Made To Fit

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

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.

  • Compact

    Ergonomic control in one place.

  • Full Colour Display

    Live information where you need it.

  • 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.

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  • Rapid

    The CudaJet harness can be donned & doffed in seconds.

  • Carbon Fibre Skeleton

    Ultralight weight, stiff yet flexible, the perfect amalgamation.

  • 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 45 British suppliers and re-investing into CudaJet's research and development, we will help increase manufacturing in England.

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  • 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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