Things to do in Thousand Islands

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A serene lake surrounded by dense green trees and a small wooden cabin on a dock.
A river surrounded by dense green forest with a small dock and a cabin.
A wooden dock extending into a calm lake, surrounded by lush green trees.
A green bridge with a speed limit sign of 50 mph and a speed display of 64 mph.
A speedboat moving across a large body of water.

Thousand Islands Attractions

If you're ready to discover the best of Thousand Islands, sign up for a few of the top tours & day trips on offer, and let an expert show you some of the most popular sights. Offering free cancellations and no added fees, our top {50 fun activities in Thousand Islands fun activities in Thousand Islands} are also worth looking into.

Things to do

The Ultimate Heart of 1000 Islands Sightseeing Boat Tour

The Ultimate Heart of 1000 Islands Sightseeing Boat Tour

$84
per adult
94% of travellers recommend
The Ultimate Heart of 1000 Islands Sightseeing Boat Tour
Trolley City Tour of Kingston

Trolley City Tour of Kingston

$32
per adult
Trolley City Tour of Kingston
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Recommended things to do in Thousand Islands

Number of things to do
50
Cheapest thing to do on Expedia
Alexandria Bay: Boldt Castle & Yacht House Entry Ticket: $17
Top 5 things to do
Under $25
With kids

What to do in Thousand Islands

Things to Do in Thousand Islands with Kids

Thousand Islands has plenty of close by fun experiences for you and your kids. Our family friendly experiences will keep the gang happy for hours.

 

Looking for sports, concerts, or theater events in Thousand Islands? Search event tickets to see what's happening today, or to plan what to do this weekend!

 

 

Stay near popular Thousand Islands attractions

A historic stone castle on a lakeside island with a clear sky.

Boldt Castle

9.4/10 (1,063 reviews)
This grand castle on Heart Island was built as a monument to love by millionaire George C. Boldt. Explore restored period rooms and manicured gardens while enjoying sweeping views of the St. Lawrence River.
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Looking for fun things to do nearby? Check things to do near me to find and book the best things to do, fun activities, and top attractions wherever you happen to be.

 

 

Popular day trips from Thousand Islands

A calm lake with rocky shores, surrounded by dense trees and houses on a hillside.

Gananoque

A historic stone castle on a lakeside island with a clear sky.

Alexandria Bay

Clayton, NY, USA - 02-09-2025: Winter aerial image Clayton, NY along a frozen St Lawrence River

Clayton

A street with brick buildings, storefronts, and flower planters.

Kingston

A suspension bridge over a calm river, surrounded by dense forest.

Wellesley Island

A building with signs for 'Gifts & Souvenirs' and 'Rockport General Store'.

Rockport

A historic castle with a red-tiled roof, a boat on the water, and a sign that reads "Open".

Hammond

A town with a prominent clock tower, a lake, and autumn foliage.

Cape Vincent

Frequently asked questions

What to do in Thousand Islands on a sunny day?
What to do in Thousand Islands on a rainy day?
What should I not miss in Thousand Islands?
Impress friends and family back home by snapping a selfie at Boldt Castle.
Are there cheap things to do in Thousand Islands?

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