Tropic Air - Direct flights between Belize International or Municipal Airport and San Pedro, Caye Caulker, Dangriga, Placencia, Punta Gorda, Tikal Guatemala. Thunderbolt Travels - Scheduled and charter boat transport in the cayes and Belize City. International Merchant Marine Registry of Belize - Manages the procedures and activities concerning registration of ships enrolled or seeking enrollment in IMMARBE. Crystal Auto Rental - Offering a tourist car rental company in Belize to visit tikal ruins. Noonsite - Information for private sailors, including procedures for clearing immigration, and information on ports and marinas. Astrum Helicopters - Offers charter flights for business and tourism. Includes staff overview with descriptions and photos of aircraft. Maya Island Airways - Regular service around Belize and to Flores, Tikal. Schedule, online reservations, and information on fleet.