Formerly known as Commercial Basin and housing much of San Diego's sport and commercial fishing fleet, the small cove in the southern lee of Shelter Island was renamed in 1994 to America's Cup Harbor, in honor of the 1995 America's Cup races held in San Diego. America's Cup Harbor has several boat yards and marinas for private sailing yachts, as well as a mooring field. Numerous resorts, hotels, and the San Diego Convention Center are adjacent to the Bay. Several parks and nature preserves are found at various locations along the shoreline. Sightseeing boats depart from the downtown area. Commercial sport fishing and whale watching tours depart from Shelter Island. Ten museum ships call San Diego Bay home. They include the USS "Midway", an aircraft carrier museum, and the "Star of India", the oldest iron-hulled merchant ship afloat and the world's oldest active sailing ship. The "Star of India" and eight other ships and boats on San Diego Bay are the floating collection of the San Diego Maritime Museum; they are open to the public for a fee, and many are in sailing condition. In the northern part of the bay there are two commercial "islands" (actually peninsulas connected to the mainland by a narrow strip of land) called Harbor Island and Shelter Island. They were built up from former sand bars and now hold hotels, restaurants, marinas, and public parkland. Across from Harbor Island is a bayside park called Spanish Landing, a historic site which commemorates the meeting in 1769 of two expeditions from Spanish Mexico that made possible the European settlement of California. Spanish Landing park is the site of San Salvador Village, where the San Diego Maritime Museum is constructing a full-sized, fully functional wooden replica of the San Salvador flagship, in which explorer Juan Rodriguez Cabrillo discovered San Diego Bay in 1542. Small boat sailing is extremely popular, and the bay is lined by dozens of marinas and nine yacht clubs, including the San Diego Yacht Club which was the home of the America's Cup from 1988 to 1995. An inlet of the bay was renamed America's Cup Harbor to commemorate that occasion. An annual fireworks display called the Big Bay Boom is held on the Fourth of July over the waters of the Bay. Fireworks are launched simultaneously from four barges in the Bay as well as from a pier in Imperial Beach. It is one of the largest annual fireworks displays in the United States and is viewed by half a million people each year. The Parade of Lights is a parade of more than 80 small boats with holiday decorations and lights on two Sundays in December.