Best RV Parks & Resorts near Thousand Island Park, NY
Several RV parks offer full hookup sites near Thousand Island Park, New York, primarily along the Saint Lawrence River and nearby Lake Ontario. Swan Bay Resort in Alexandria Bay provides 282 concrete pad sites with 50-amp electric, water, and sewer hookups from May through October. Wellesley Island State Park Campground in Fineview has numerous RV sites with electric hookups and large pull-through options for bigger motorhomes. "Sites are large level concrete. You can watch ships on the seaway from the front," noted one visitor about Swan Bay Resort. Fort Drum Recreation Area near Watertown caters to military families with big-rig friendly sites, while Sun Outdoors Association Island in Henderson Harbor sits on an island in Lake Ontario, accessible by a single-lane bridge with waterfront RV sites.
Most RV parks in the region require advance reservations, especially for premium waterfront sites during the peak summer season. Seasonal operation typically runs May through October with varying closing dates. Alexandria Bay and Clayton serve as convenient supply points for RV travelers, with multiple service stations offering propane and dump facilities. Pets are permitted at most parks, though restrictions may apply at waterfront sites. Many campgrounds maintain gated access with after-hours check-in procedures. Cell service varies considerably, with stronger signals near larger towns and potentially spotty coverage on Wellesley Island. The St. Lawrence Seaway provides scenic views at several parks, with passing cargo ships visible from waterside sites at Swan Bay Resort and other riverfront campgrounds.
