Mary Island State Park
Visit Mary Island State Park
Popular places to visit
Boldt Castle
After visiting Boldt Castle, make a plan to see the other sights and activities in Alexandria Bay. Amble around the area's riverfront or seek out the local tours.
Scenic View Park
Explore the lovely green spaces of Scenic View Park and enjoy the boating in Alexandria Bay. Stroll along the riverfront or seek out the local tours.
St. Lawrence Islands National Park
Explore the islands, islets and peninsulas that dot the St. Lawrence River between Kingston and Brockville.
Keewaydin State Park
You can take time to visit Keewaydin State Park during your travels to Alexandria Bay. Stroll along the riverfront or visit the shops in the area.
Grass Point State Park
You can take time to visit Grass Point State Park during your travels to Fishers Landing. Make some time to visit the monuments while you're in the area.
Boldt Yacht House
Learn about the local history of Wellesley Island when you take a trip to Boldt Yacht House. Amble around the area's riverfront or seek out the local tours.
Top Hotel Deals
Check availability on hotels close to Mary Island State Park
Riveredge Resort
Bonnie Castle Resort & Marina
Capt. Thomson's Resort
Ice Fishing Paradise
Spacious Peaceful home in the Woods on Wellesley Island
The Ledges Resort and Marina, Island Cottage
Luxurious 3-bedroom custom built home in the heart of the Thousand Islands
27 James Street Loft #1
