A Hawaii Rental Car will give you the freedom to explore the island the way you want, on your own schedule. You can stay on Oahu and get along without a Hawaii rental car, but on the other islands you should consider at least a few days with a rental car. Airport rental car locations is the most convenient way to pick up and drop off your car. Check with where your staying to see about parking a rental early on. Remember to understand what your particular Hawaii Rental Car defines as a "Weekly car rental" and "Daily rate," age requirements, and grace periods on return time. Hawaii rental cars have air conditioning and automatic transmissions, but remember you will pay more for desirable cars like convertibles.