Private submarine (maximum depth < 300 m)
NOMAD 1000 US Submarines

The Nomad 1000 is the world's first personal luxury submarine, capable of taking you and your guests to unseen regions of the deep ocean in perfect comfort and absolute safety. And once there, you'll be able to view the fascinating denizens of the deep through large, panoramic viewports, while relaxing in an interior replete with luxury and warmth. Powered by twin 250 HP turbocharged marine diesels, the 65 foot long Nomad has a 1000 nautical mile surface range and is capable of diving to 1000 feet.
Bad weather? Simply close the hatch and dive, cruising effortlessly far below the waves in climate controlled comfort. Nomad's battery capacity and life support systems allow you to stay submerged for days at a time.