Board the Seaworld Explorer, a state-of-the-art semi-submarine, and descend five feet below the Caribbean surface into air-conditioned comfort. Large windows line the hull as a narrated tour covers the coral reef, where tropical fish and delicate coral formations pass just outside the glass. The diver who hand-feeds the fish directly in front of the windows draws them close in a way most snorkelers never experience. Back on land, enjoy views from the Queen Juliana Bridge 200 feet above Willemstad, and finish at Landhuis Chobolobo follows with a tasting of Curaçao liqueur, distilled in century-old barrels. This tour starts by the sea and finishes with seeing views over Willemstad.