If you looked back ten years ago, purchase a private sub available only for research teams and scientific porpuses. Now, the Triton 3300/6  Luxurious Deep-Sea Submarine design for adventure diving into the deep blue. The Triton can carry up to six members and dive to the depth of 3,300 feet (1,000 meters), so it's far deeper than the other small and private submarine. Moreover, the spherical 360° view acrylic pressure provides a remarkable view, and the LED lights illuminate and brighten the depths of the unknown. The piloting system has a touchscreen and joystick for navigation. The Triton can go at a speed of 3 knots and be underwater for more than 10+ hours.