Union Island Airport (IATA: UNI, ICAO: TVSU) is the airport serving Union Island, Grenadines Parish, Saint Vincent and the Grenadines. It is located about 0.25 miles (0.40 km) from the town of Clifton, one of the country's main tourist centers and a major destination for charter leisure flights during the winter holiday season and Easter, for "Easterval" celebration. The airport serves as a focus city for flag carrier SVG Air and features flights to several short-haul regional destinations. It is the southmost airport of St. Vincent and the Grenadines. The airport, which currently handles only turboprop aircraft services mainly light regional aircraft with domestic flights to and from St. Vincent and some of the Grenadines and regular scheduled and shared charter international flights to Barbados, Carriacou, Grenada, St. Lucia and Martinique. Union Island Airport, which was constructed in 1994, operates as a major gateway to the southern Grenadines with connections from Clifton Harbour via water taxis or charter yachts to Mayreau and the National Marine Park of the Tobago Cays, the focal point for "Marine Tourism" in the area and private boat transfers to the exclusive luxury island retreats on Palm Island and Petit St. Vincent (PSV). The region's tourism industries have helped foster growth at the airport. It is one of five airports in the multi-island nation of St. Vincent and the Grenadines, the others being Argyle International Airport in St. Vincent, J. F.