The Thousand Islands, a scenic archipelago straddling the border between Canada and the USA in the St. Lawrence River, is known for its picturesque scenery, charming towns, and a dash of historical intrigue.

Get ready to be amazed by these fun facts about the Thousand Islands.

Mind-blowing Facts

  1. Number Crunch: While the name implies a thousand, there are actually over 1,800 islands! To qualify, an island must stay above water year-round and have at least one tree.

  2. Boldt Castle: This fairytale-like castle on Heart Island holds a tale of love, tragedy, and unfinished construction – make sure you take the tour!

  3. Shipwrecks Galore: The Thousand Islands are a diver’s dream! Explore sunken ships and discover underwater history and thriving marine life.

  4. Smuggler’s Paradise: During Prohibition, the islands’ intricate channels made them a hotspot for smugglers running booze between Canada and the US.

  5. Tiny Tom Thumb: The smallest island, playfully named “Just Room Enough Island,” holds a single house, a tree, and a tiny beach.

  6. St. Lawrence Seaway: Watch massive cargo ships navigate the channels as part of the St. Lawrence Seaway, a vital trade route.

  7. Singer Castle’s Secrets: This island fortress boasts hidden passageways, lavish furnishings, and a captivating history – perfect for those who love a good mystery.

  8. Millionaires’ Row: Cruise past gilded age mansions lining the shores – an architectural delight and a glimpse into the islands’ glamorous past.

  9. Gananoque Gateway: This charming town is the Canadian hub for boat tours, outdoor adventures, and the Thousand Islands Playhouse theatre.

  10. Lighthouse Legacy: Discover historic lighthouses dotting the islands, serving as picturesque beacons and reminders of maritime history.

  11. Fishing Adventures: Cast a line and try to catch bass, pike, and muskies – this region is an angler’s paradise.

  12. Paddler’s Delight: Rent a kayak or canoe and explore the maze of islands, quiet coves, and abundant wildlife.

  13. Foodie Finds: Savor fresh local flavors, from island-grown produce to craft brews and everything in between.

  14. Festival Fun: Join in the festivities! The Thousand Islands region hosts diverse festivals, from music and arts celebrations to the famous Antique Boat Show.

  15. Two Nations, One Destination: Enjoy the unique experience of crossing the international border while island hopping – bring your passport!


The Thousand Islands are a captivating blend of natural beauty, historical intrigue, and endless opportunities for adventure and exploration. Whether you’re seeking a romantic getaway, a thrilling outdoor experience, or simply a scenic escape, the Thousand Islands will leave you charmed and wanting more.

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