Chamber Visitor Center Please stop by for brochures, maps, information, Community Calendars, travel information for great things to do in the Tonawandas and beyond. The Chamber of Commerce of the Tonawandas254 Sweeney Street North Tonawanda, NY 14120Open Year RoundTuesdays: 9am – 1pmThursdays: 10am – 2pmOpen by appointment Mon-FriCall 716-692-5120 Harbor Master OfficeGateway Harbor Park99 Sweeney StreetOpen seasonally, May- OctoberDaily 8:00am-8:00pm (during peak season)