Grindstone Island
Travel Guide
Visit Grindstone Island
Reviewed on 7 Jul 2025
Reviewed on 7 Jul 2025
Reviewed on 8 Jul 2025
Reviewed on 27 Apr 2025
Popular places to visit
Canoe-Picnic Point State Park
You can take time to visit Canoe-Picnic Point State Park during your travels to Clayton. While you're in the area, stroll along the riverfront.
1000 Islands River Rat Cheese
You can search for that perfect souvenir at 1000 Islands River Rat Cheese during your visit to Clayton. Amble around the area's riverfront or seek out the local tours.
Clayton Marina
Explore the waterfront of Clayton Marina and enjoy other activities such as boating in Clayton. Amble around the area's riverfront or seek out the local tours.
Antique Boat Museum
You can study the exhibits at Antique Boat Museum, a museum with a storied past, during your trip to Clayton. Amble around the area's riverfront or seek out the local tours.
Cedar Point State Park
Enjoy a trip to Cedar Point State Park and popular activities such as boating in Clayton. Stroll along the riverfront or visit the casinos in this family-friendly area.
The Clayton Opera House
You can make plans for a show at The Clayton Opera House during your stay in Clayton. While you're in the area, stroll along the riverfront.
Things to do
Boldt Castle and 2 Nation Tour
The Ultimate Heart of 1000 Islands Sightseeing Boat Tour
Gananoque: 1000 Islands Cruise & Optional Boldt Castle Entry
3-Hour 1000 Islands Cruise from Gananoque with views of Boldt Castle
From Ivy Lea: 1000 Islands Boldt Castle Scenic Cruise
