Founded in 1993, Ocean Air Marine Systems is a division of S&J Marine Services LLC, is the largest marine air conditioning, marine sanitation, water maker, and refrigeration sales and service company in the Western Long Island Sound area, with offices in Mamaroneck NY and a seasonal office in Montauk NY.

Our fleet of fully stocked service vehicles are ready to provide you with 24-hour dockside service. Anywhere. Anytime. Our local inventory locations, filled with abundant inventory, will equip you with all the air conditioning, water maker, refrigeration and marine sanitation supplies you need to keep your boat cool and comfortable.