We Tried Killer Whale Jet-Ski Submarines Which Can Reach 70mph

The Seabreacher is a semi-submersible boat that can dive underwater. It's available to ride with Predator Adventures in London's Royal Docks.

It has a supercharged 260 horsepower engine and is designed to look like a killer whale.

Rides last 15, 20, or 30 minutes and are available from £75.

Predator Adventures also sell Seabreachers, but they cost around £80,000 to buy.

Read more: http://www.businessinsider.com/sai

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(Source: Tech Insider, https://www.youtube.com/watch?v=STKlZBcZ8VE)