They often have re-fueling, washing and repair facilities, small stores and restaurants catering to the needs of the boaters, and Ship chandlers. Slipways are used to get a trailered boat into the water. Many marinas offer a boat hoist well, a type of traveling crane, instead of a more space-wasteful slipway, operated by service Center personnel. Many marinas offer some out of water storage, which is useful out of season and important in latitudes susceptible to freezing waters. Marinas may include ground facilities such as parking lots for vehicles and boat trailers.