Seaborne Airlines is a FAR Part 121 airline headquartered in San Juan, Puerto Rico. It was established in 1992 and operates domestic seaplane and land plane services among Puerto Rico, the U.S. Virgin Islands, the British Virgin Islands, Martinique, Dominica, Guadeloupe, St Kitts Nevis, St Maarten, and three stations in the Dominican Republic: La Romana, Punta Cana and Santo Domingo. In late 2008, Seaborne Airlines began land based flight service between St. Thomas, St. Croix, and San Juan TJIG Isla Grande Airport under the brand name "Seaborne Airshuttle." In January 2011, Seaborne Airlines began service to San Juan TJSJ Luis Munoz Marin International Airport. On December 18, 2013, Seaborne announced a headquarters change from Christiansted, St. Croix to San Juan, Puerto Rico, completed by March 2014. With this, adding service to Punta Cana and St. Maarten. - Source: Wikipedia