Floating Mansions and Diving Drones! Summer’s Hottest Water Whizbangs

Blame James Bond. It was the sight of Roger Moore skidding a Wet Bike over the waves in 1977’s The Spy Who Loved Me that piqued yacht owners’ interest in keeping more than just a tender, or small ship-to-shore shuttle, on board. Moore’s gadget morphed into the Jet Ski, a must-have for every polyester-era playboy. The Jet Ski, in turn, raised cultural expectations for what we should be able to do on—or under, or over—the water.

Billionaires such as Jeff Bezos and his new 417-foot-long project Y721—a yacht so big it needs its own yacht—plus destinations like the Four Seasons Bora Bora keep spurring new innovations. As bigger superyachts became dominant in the late 1980s, complete with roomier onboard garages, the types of toys and tenders available multiplied. Invention is “driven by charter guests,” says Chris Clifford of the yacht industry bible Onboard. “Even if Grandpa and Grandma are paying for the boat, they’ll bring their children and grandchildren, and you’ve gotta keep them amused.” Indeed, charter specialist Burgess Yachts says 84% of its clients expressed interest in toys and water sports as crucial for their next rental.