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The Thousand Islands, Ontario

Islands & Castles on the St. Lawrence

Hundreds of forested isles, grand castles, and boating on the great river.

At a glance · 5 reasons to go

Why The Thousand Islands, Ontario.

  1. Cruise among 1,800+ forested islands.

  2. Tour fairytale Boldt Castle.

  3. Boating, kayaking, and fishing.

  4. Pretty river towns and sunset cruises.

  5. A scenic St. Lawrence playground.

Read the full story

The Thousand Islands sprinkle over 1,800 forested isles across the St. Lawrence River — many crowned with cottages and even castles like fairytale Boldt. Cruise, kayak, and island-hop this dreamy boating paradise on the US–Canada line.

Read this before you go

Safety

Safety Overview

The Thousand Islands, Ontario

Outstanding

STUB: Add overall safety summary for The Thousand Islands, Ontario.

Emergency Contacts — Save These Now

Police
TODO
Medical
TODO
🩸🫁 Pack the 6 Life-SaversBleeding kills in 3–5 min · choking in under 4. The gear that buys you those minutes.

Reviewed: 2026-06-06

If It’s Safe Travel… Travel Well.

Before You Travel

Five minutes of preparation means your whole group has emergency numbers, hospitals and your GPS location available offline — no WiFi needed when it matters most.

Share Safety Info with Your Travel Party

Everyone in your group needs this page open on their phone. The emergency button only works if the safety card is saved on their device.

Why this matters: When they open the link, TravelWell automatically saves the emergency numbers and hospital details to their phone — no WiFi needed later. This takes 5 seconds and could save a life.

Message to send

TravelWell Safety — The Thousand Islands, Ontario: Emergency numbers, hospitals and safety info. Open this before we travel so it works offline. https://travelwell.world/en/destinations/thousand-islands

Traveling to The Thousand Islands, Ontario with a pet?

🇨🇦 Canada has specific entry rules — microchip, rabies, permits and more. See exactly what your pet needs before you book.

See the pet travel rules →
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