Marine

A boundless explorer yacht loaded with toys for examining land, air and sea, the new Heesen Xventure concept yacht can journey to little-seen stretches of sea and coast, serving as a base camp for everything from scuba diving to heli-skiing.

Maersk has teamed with Trident Maritime Systems to create a 600 kWh container battery that can be placed on a container-hauling ship to provide power. The battery is now en route to be installed on the Maersk Cape Town container vessel.

Li-ion batteries used in electric cars should be good for 10 years (or more) before needing to be replaced. But they should still be good for other uses. The Seine Alliance has now revealed an all-electric boat powered by second-life batteries.

This stunning floating villa located in Palm Beach, an hour's drive north of Sydney. Lilypad has been specifically designed to offer an exclusive private getaway in an idyllic marine setting, and is 100 percent solar-powered.

Although we've seen a number of personal underwater propulsion devices in recent years, the Scubajet was one of the first. Its designers have now announced a Pro model, that reportedly dives deeper, runs longer, and features a dual-hand controller.

The aft swim platform is the cherry on any yacht design, and the Nauta 78m Slipstream supersizes that cherry with an expanding "island" retreat.

A tender is a smaller boat, used for going between yachts and the shore – and Salomé Yachts' new Atlantic is a doozy.

Italian shipping yard Sanlorenzo has recently revealed its new entry-level SD96 28-meter (91.86-ft), two-deck yacht.

One of the truly grand superyachts previewed at last week's Monaco Yacht Show, the 165 Wallypower combines hard, sharp angles with natural curves for a look that's positively arresting.

Yachtmaker Tankoa has signaled the "next step" in its superyacht program with the S702 Next 70, a 70 m (230 ft) beast with a near-vertical bow.

Boston's Sea Machines Robotics has developed and launched the Sharktech 29 Defiant autonomous patrol boat with shipbuilder Metal Shark.

The Aqua is a 360-foot monster that would run entirely on liquid hydrogen and offer a range of 3,750 nautical miles. And boy, is it nice to look at from just about any angle.