Grenell Island
Visit Grenell Island
Hotel Riu Plaza Manhattan Times Square
Reviewed on 24 May, 2026
Hotel Riu Plaza New York Times Square
Reviewed on 23 May, 2026
Tours & day trips
See all 17 activities
Boldt Castle and 2 Nation Tour
Cruises & boat tours
See all 5 activities
Gananoque: 1000 Islands Cruise & Optional Boldt Castle Entry
Air, Helicopter & Balloon Tours
See all 3 activities
Thousand Islands Helicopter Tour
Popular places to visit
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.
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.
Thousand Islands Winery
You can enjoy a tasting or tour at Thousand Islands Winery during your travels to Alexandria Bay. Amble around the area's riverfront or seek out the local tours.
Coyote Moon Vineyards
You can enjoy a tasting or tour at Coyote Moon Vineyards during your travels to Clayton. Stroll along the 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.
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.
Top Grenell Island Hotel Deals
Check availability on hotels close to Grenell Island
1000 Islands Harbor Hotel
Riveredge Resort
Chateau Country Inn
The Clipper Inn
Capt. Thomson's Resort
Bonnie Castle Resort & Marina
West Winds Motel & Cottages
Capt.'s Inn & Suites
Rock Ledge Motel
* Savings based on package bookings compared to the price of the same components booked separately. Savings not available on all packages. Book Flight + Lodging, save up to 100% of flight price - Savings based on flight + lodging package prices as compared to the price of the same components available for booking separately before all discounts and rewards applied. Your bundled savings cover up to 100% of your flight. Savings vary based on origin/destination, length of trip, stay dates and travel suppliers. Savings not available on all flight + lodging package bookings.