Southwick Beach State Park — RV Camping in New York, US

Southwick Beach State Park is a stunning lakefront campground located along the shores of Lake Ontario in the Thousand Islands region of New York State. Nestled beside the Lakeview Wildlife Management Area, the park is known for its long sandy beach, environmentally-sensitive coastal sand dunes, and peaceful natural setting. Campers enjoy a wide range of amenities including electrical and water hookups, a dump station, hot showers, flush toilets, picnic tables, and firewood — making it a great destination for both tent campers and big rig RVs. Outdoor recreation abounds with hiking and nature trails, a supervised swimming beach, a playground, and excellent fishing opportunities on Lake Ontario. A nature center operates seasonally, offering educational programming for families. In winter, the park transforms into a destination for cross-country skiing, snowshoeing, and snowmobiling. Three pavilions are available for group gatherings. The park sits near Cedar Island State Park, Rock Island Lighthouse State Park, and Long Point State Park, giving visitors easy access to additional Thousand Islands adventures.