An Adventure down under is closer than you think? Aboard A Real Submarine. Dive to 150 feet below the beautiful Caribbean Sea and view Aruba's exciting marine life, colorful corals, and mysterious shipwrecks. All this and more in the comfort of a spacious, air-conditioned, US coast guard approved submarine. Tour begins at the Adventure Center in downtown Oranjestad where you will take a short transfer to the submarine onboard our shuttle vessel SubSeeker.