Causeway Marine at All Seasons Marina is a top-ranked boat dealer selling new boats and used boats. We have built a reputation for delivering a world-class boat buying and ownership experience. Causeway Marine sells new: Cobalt Boats, Edgewater Boats, Manitou Pontoon Boats and Crest Pontoon Boats, as well as engines from Yamaha, Honda, Suzuki, Mercruiser and Volvo Penta. Causeway Marine at All-Seasons Marina offers the largest selection of top-quality Cobalt boats for sale. Causeway Marine is one of the nation’s TOP 100 Boat Dealers according to Boating Industry Magazine-2006-2023.