Heart Island is an island in the Town of Alexandria within the Saint Lawrence River, along the northern border of the U.S. state of New York, in Jefferson County. The island is one of the most prominent within the Thousand Islands archipelago, which stretches from New York State to Canada.Put Heart Island and other Alexandria Bay attractions into our Alexandria Bay vacation builder, and watch your holiday take shape.
Heart Island is home to Boldt Castle, which is open to the public as a tourist attraction.
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Heart Island reviews
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Lots of walking - exterior is very hilly, so be prepared! The Castle and accompanying buildings are very interesting as well as beautiful. Be sure to plan a lot of time to explore all parts. Also be..... more »
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We have been here several times over the years. It is nice to come back and see what areas have been finished. Self walk through tour, not rushed, take time. We had kids and teens with us this time... more »
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Wonderful ride on the tour boat after a visit to Dark Island. Fun day. Boldt Castle is amazing!
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Love this place. I go every year
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Plans to Heart Island by other users
2 days in Alexandria Bay
BY A USER FROM UNITED STATES
October, relaxing, shopping, popular sights
Preferences: October, relaxing, shopping
Attraction style: Popular sights
Pace: Medium
4 days in 1000 Islands
BY A USER FROM UNITED STATES
October, fast-paced, popular sights
Preferences: October
Attraction style: Popular sights
Pace: Fast-paced
41 days in United States
BY A USER FROM UNITED STATES
October, popular sights
Preferences: October
Attraction style: Popular sights
Pace: Medium
9 days in United States
BY A USER FROM UNITED STATES
May, popular sights
Preferences: May
Attraction style: Popular sights
Pace: Medium
8 days in 1000 Islands, Old Forge & Niagara Falls
BY A USER FROM UNITED STATES
October, kids, popular sights
Preferences: October, kids
Attraction style: Popular sights
Pace: Medium
24 days in United States
BY A USER FROM UNITED STATES
October, popular sights
Preferences: October
Attraction style: Popular sights
Pace: Medium
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