About Thousand Islands
Scenic archipelago with over 1,000 islands, charming villages, and waterfront beauty.
Highlights
1,864 islands in St. Lawrence River
Boldt Castle on Heart Island
International border waterway
Historic mansions and cottages
Boat tours and cruises
Kayaking paradise
🎯 Top Things to Do
Boat Cruise Tour
Classic sightseeing cruise through islands. See mansions, castles, and hear fascinating history.
Visit Boldt Castle
Tour magnificent 120-room castle on Heart Island. Tragic love story behind its construction.
Kayaking Between Islands
Paddle crystal-clear waters between islands. Rentals and guided tours available.
1000 Islands Skydeck
400-foot observation tower with panoramic views of islands and international bridge.
Singer Castle Tour
Explore 28-room castle on Dark Island. Secret passages and unique architecture.
Fishing Charter
World-class bass and muskie fishing. Half-day and full-day charters available.
🗺️ Nearby Attractions
Boldt Castle
Singer Castle
Gananoque
Kingston
1000 Islands Skydeck
Fort Henry National Historic Site
Quick Facts
📅 Best Time to Visit
May-September
🏷️ Category
Scenic
⭐ Rating
4.6 / 5.0
Practical Information
Getting There:
3 hours from Toronto or Ottawa, base in Gananoque or Kingston
💡 Tips:
Bring sunscreen and hat for boats. Many islands privately owned - respect property.
