The Abaco Islands lie in the northern Bahamas. The main islands are Great Abaco and Little Abaco. There are several smaller barrier cays, of which the northernmost are Walker's Cay and its sister island Grand Cay. To the south, the next inhabited islands are Spanish Cay and Green Turtle Cay, with its settlement of New Plymouth, Great Guana Cay, private Scotland Cay, Man-O-War Cay, and Elbow Cay, with its settlement of Hope Town. Southernmost are Tilloo Cay and Lubbers Quarters. Another of note off Abaco's western shore is Gorda Cay, now a Disney-owned island and a cruise ship stop renamed Castaway Cay. Also in the vicinity is Moore's Island. On the Big Island of Abaco is Marsh Harbour, the Abacos' commercial hub and the Bahamas' third largest city, plus the resort area of Treasure Cay. Both have airports. A few mainland settlements of significance are Coopers Town and Fox Town in the north and Cherokee and Sandy Point in the south. Administratively, the Abaco Islands constitute seven of the 31 Local Government Districts of the Bahamas: Grand Cay, North Abaco, Green Turtle Cay, Central Abaco, South Abaco, Moore's Island, and Hope Town. Geography The Abaco Islands consist of limestone with some elevation and are protected on the ocean side by the third-largest barrier reef in the world. The cays are primarily green with mangroves and white-sand beaches. Most of the islands are uninhabited. The Abaco Islands and their cays have are called Out Islands, Family Islands, and Friendly Islands. History The Abaco Islands were first inhabited by the Lucayans, whom called the Aboca Islands as Lucayoneque, meaning "the people’s distant waters". The first European settlers of the islands were Loyalists fleeing the American Revolution who arrived in 1783, as was also the Cat Island case. These original Loyalist settlers made a modest living by salvaging wrecks, by building small wooden boats, and basic farming. Pre-Columbian and Spanish eras The Lucayans were the first people to inhabit the Abaco Islands. They were a branch of the Taínos who inhabited most of the Caribbean islands at the time. The Lucayans were the first inhabitants of the Americas encountered by Christopher Columbus. The Spanish started seizing Lucayans as slaves within a few years of Columbus's arrival, and they had all been removed from the Bahamas by 1520. After the extermination of the Lucayans, there were no known permanent settlements in the Bahamas for