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Hawaii Island, also called the Big Island, is a volcanic island in the U.S. State of Hawaii in the North Pacific Ocean. It is larger than all of the other Hawaiian Islands combined, making a Big Island rent a car a great way to get around, and the only way to get to some of the most remote (and scenic) sites, including the famous active volcanoes like Kilauea, and beautiful black and green sand beaches. Look for great deals on Big Island car rentals and save time and money for popular attractions like Akaka Falls, Hawaii Volcanoes National Park, and Mauna Kea. Hawaii Island is served by two commercial airports, Hilo International Airport (ITO) and Kona International Airport (KOA), as well as two regional general aviation airports, Upolo Airport and Waimea-Kohala Airport. If you fly into ITO, car rentals are provided in terminal by Thrifty, Dollar, Alamo, National, Budget, Hertz, and Avis. Try Thrifty for the best deals, followed by Dollar and Alamo. If you fly into KOA, car rentals are provided in terminal by Thrifty and National, or via complementary shuttle by Dollar, Alamo, Budget, Hertz, and Avis. Try Thrifty for the lowest rates, followed by Dollar and Alamo. Big Island car rentals are also available downtown from many of the same vendors offered at the airports, but usually for lower rates. You must present a valid driver's license and credit card issued in your name at most Big Island rent a car agencies (although some will take a cash deposit depending on a credit check), along with proof of insurance if you decline the vendor's coverage options. The minimum age to drive in Hawaii is 15 years, but most car rental agencies require drivers to be at least 25. Expect to pay about 25% more for gas than the average mainland US prices. Keep in mind that many of the Big Island's best destinations are only accessible by 4WD, and that many rental car companies have restricted areas. Plan your route and check with the agency first, to keep from voiding insurance coverage if your rental car breaks down or gets stuck. Main roads and highways are fairly easy to navigate, well maintained and clearly marked, and many feature red-capped warrior signs provided by the Hawaii Visitors Bureau that mark major visitor attractions and scenic spots. Always check the weather before driving long distances as sudden rainstorms can arise without warning. Follow Hawaii’s strict seatbelt laws and carry a cell-phone and emergency items with you in case of a breakdown or accident on a remote part of the island. Jaywalking is common on the island, so watch out for pedestrians, especially in congested areas.