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Thousand Islands · Jefferson County

Alexandria Bay, NY

The busiest island village on the river, and the departure point for boat tours to Boldt Castle on Heart Island.

WaterfrontIslandsFamilyHistory
Alexandria Bay, NY on the map (opens Google Maps)
Granite shoreline and island cottages near Alexandria Bay on the St. Lawrence in autumn
AI-generated illustration based on the real location; not documentary photography.

In the Fall Guide

Is Alexandria Bay worth visiting after the summer season?

Castle-country scenery with the summer crowds gone, and the quiet downriver end of the islands close by.

Read it in “12 Great Fall Getaways in Northern New York”

Where to stay in Alexandria Bay

Vacation rental

Island & shoreline rentals

Alexandria Bay to Chippewa Bay

Cottages on the shore and, for the adventurous, on the islands themselves.

Island · Unique

What to do nearby

  • Boldt Castle

    On Heart Island, reached by boat. Seasonal; confirm the closing date. Hours vary by season.

  • Singer Castle

    On Dark Island near Chippewa Bay. Hours vary by season.

Best for

Islands • Castles • Families • Boat tours

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