Singer Castle on Dark Island in the 1000 Islands region near Chippewa Bay, New York is a historic structure featuring four floors of accessible rooms including a Great Hall, Library, Dining Room, Drawing Room, and multiple bedrooms. The castle offers 45-minute guided tours led by trained docents, with a gift shop and video viewing room available. The property maintains preservation standards with amenities such as private boat docking accommodating over 600 feet and seasonal shuttle services from nearby harbors for visitor convenience.