Central Square Marinas 604 County Route 37 Welcome to Winter Harbor LLC. We are located on the Oneida River, West of Brewerton New York. We offer state of the art indoor heated boat storage in our 90,000 square foot buildings. Central Square NY Marinas Winter Harbor www.winterharborllc.com boat storage heated boat storage winterize marina marine harbor winter yacht storage winterization boat storage heated boat storage winterize marina marine harbor winter yacht storage winterization Business Reviews Winter Harbor Testimonials