Wellesley Island State Park

Welcome to Wellesley Island State Park, a serene natural retreat tucked away in the heart of the Thousand Islands region in New York. Located at 42773 County Road 100, Wellesley Island, our park offers an idyllic escape for nature enthusiasts, families, and adventure seekers alike. As the largest state park in the Thousand Islands, Wellesley Island State Park boasts a diverse landscape that includes lush forests, picturesque shorelines, and scenic trails perfect for hiking, biking, and birdwatching.

Our park is a haven for outdoor activities, featuring a full-service marina, a sandy beach for swimming, and excellent fishing opportunities in the crystal-clear waters of the St. Lawrence River. For those looking to extend their stay, we offer a variety of camping options, including tent sites, RV hookups, and cozy cabins nestled in the woods.

Wellesley Island State Park is also home to the Minna Anthony Common Nature Center, where visitors can learn about the local ecology and wildlife through interactive exhibits and educational programs. Whether you're seeking relaxation or adventure, our park provides the perfect setting for unforgettable experiences amidst the beauty of nature.

Join us at Wellesley Island State Park to explore, unwind, and create lasting memories with family and friends. We look forward to welcoming you to our slice of paradise in the Thousand Islands.