Established in 1990, Atlantis Adventures is one of the largest tour companies on Curacao. One of their main tours is the Seaworld Explorer where you can experience Curacao's spectacular coral reefs by embarking on a narrated tour of the underwater world along the South side of the island. Atlantis Adventures also operates a guided Trolley Train tour in Willemstad. It passes by all the landmarks and makes several stops along the way. If you are in need of bus transportation Atlantis Adventures has several buses that can cater to your every need.