Grant Island Rentals is located on Brantingham Lake, NY and specializes in ATV rentals, Jetski rentals, Pontoon Boat rentals as well as rentals of Kayaks, Sups, Canoes, Rowboats, Sailboats and more.Grant Island services Brantingham Lake, NY and offers park and ride options if you are not local or located on the lake already. Visit our website to se...