Things to do in Alexandria Bay

Activities, attractions and tours

A historic stone castle on a lakeside island with a clear sky.
A stone castle with towers on a lakeside island, surrounded by trees and a larger building in the background.
A stone castle with multiple towers by a calm lake, surrounded by lush greenery and a partly cloudy sky.
An island with a large, historic mansion surrounded by trees and a lake.
A sunset over a body of water with a silhouette of a city skyline in the background.

Things to do

Boldt Castle and 2 Nation Tour

Boldt Castle and 2 Nation Tour

HK$251
per adult
82% of travellers recommend
Boldt Castle and 2 Nation Tour
Rock Island lighthouse on Rock Island

Islands, Lighthouses, and Castle Tour on the St. Lawrence River

HK$212
per adult
Islands, Lighthouses, and Castle Tour on the St. Lawrence River
The Ultimate Heart of 1000 Islands Sightseeing Boat Tour

The Ultimate Heart of 1000 Islands Sightseeing Boat Tour

HK$658
per adult
94% of travellers recommend
The Ultimate Heart of 1000 Islands Sightseeing Boat Tour
1 Hour Heart of the 1000 Islands Cruise in Rockport

1 Hour Heart of the 1000 Islands Cruise in Rockport

HK$209
per adult
1 Hour Heart of the 1000 Islands Cruise in Rockport
Private Tour to 1000 Islands from Toronto with Castle Boat Cruise

Private Tour to 1000 Islands from Toronto with Castle Boat Cruise

HK$6,195
per traveller
Private Tour to 1000 Islands from Toronto with Castle Boat Cruise
See all activities in Alexandria Bay
  • find price illustration

    Explore activities

    Explore thousands of experiences from activities and attractions to day tours and transfer.
  • calendar shield illustration

    Book with ease

    Skip the line- book tickets online in minutes to top attractions with free cancellation on many activities.
  • trophy illustration

    Treat yourself

    Members save % or more when you book activities.

What to do in Alexandria Bay

Stay near popular Alexandria Bay 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.
See properties

Where to stay in Alexandria Bay

Find the best Alexandria Bay areas for the activities you enjoy most.

Alexandria Bay Downtown

While visiting Alexandria Bay Downtown, you might make a stop by sights like Saint Lawrence River and Scenic View Park.

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

Wellesley Island

Frequently asked questions

Is Alexandria Bay worth visiting?
Providing a blend of watersports and walking trails, there are many things to do in Alexandria Bay. While you're here, check out Boldt Castle, a major attraction in the area.
How do I spend a day in Alexandria Bay?
Boldt Castle and Alex Bay 500 Go-Karts are two excellent places to begin your getaway adventures. Be sure to check out the retail and dining options in Alexandria Bay while you're here too.
What is the top tourist attraction in Alexandria Bay?
Boldt Castle is one of the top tourist attractions in Alexandria Bay and should feature high on every to-do list of the area.
Is three days enough to stay in Alexandria Bay?
Three days in Alexandria Bay is more than enough to enjoy the city's main attractions. Many guests book for two days on average. Boldt Castle, Thousand Islands Winery and Keewaydin State Park are highly rated sights. Like to see more? Hang around a bit longer to explore nearby hotspots such as Watertown.
What are some activities to do in Alexandria Bay with kids?
Deciding what to do in Alexandria Bay with kids has never been simpler. Whether you're travelling with teenagers or toddlers, there are lots of family-friendly tours and attractions to keep them busy here.

What to do in Alexandria Bay for adults?
Whether you're an avid foodie, culture enthusiast or adventure seeker, there are plenty of things to do in Alexandria Bay for adults including Thousand Islands Winery and Lil' River Fudge Co / 5&10 Variety Store.
Are there free things to do in Alexandria Bay?
From relaxing in parks to wandering around vibrant neighbourhoods, it's a breeze to discover free things to do in Alexandria Bay. If you need new ideas, ask for recommendations from a local tour guide. Scenic View Park is a must for anyone planning to save on their travelling adventures.