Whether it is gas, snacks, fishing supplies, or just a place to dock your boat, Hosmer's Marina has what you need while out on the water. We are located at the mouth of the Oswegatchie River, just off the beautiful St. Lawrence River, in the historic marina district of Ogdensburg, NY.Hosmer's Marina is the only privately owned marina in the Ogdensburg area. With construction recently completed, we hope we can assist you in enjoying the amazing fishing and water recreation the area has to offer.