It is used mainly by tourists with small motorboats, canoes and rowboats. The Dolphin Motorboat Association has 75 8-passenger motorboats for dolphin watching. Such watercraft are divided into two main categories&colon; motorboats and sailboats. Blind spots exist in a wide range of vehicles&colon; aircraft, cars, motorboats, sailboats, and trucks. Visitors travel and explore the park's lakes and islands with canoes, kayaks and motorboats. Cobalt Boats is an American manufacturer of recreational motorboats. Sea Ray Boats is an American manufacturer that produces recreational motorboats. It is used in a wide range of sailboats and motorboats. Compared with motorboats, fishing kayaks are inexpensive and have few maintenance costs. Trailers, motorboats, all-terrain vehicles and snowmobiles are also subject to this tax. Asami can also pilot airships, and operate other machinery such as motorboats, sand-sailers, and forklifts. These include bicycles, wagons, motorboats, and helicopters. There are also facilities for diving, rowing and motorboats. They also use larger vessels, known as "mother ships", to supply the smaller motorboats. Most lakes will not allow large motorboats.