Grindstone Island, New York. This three-bedroom house sits on one of the Thousand Islands in the St. Lawrence River. The 9.7-acre property holds a main house that was built in 1900, a covered boathouse with three slips, and a three-bedroom guesthouse.
Additional amenities include an easy-access ramp for boats, a large steel dock, and patios and decks around the property. $1,750,000. Keir Weimer, Select/Sotheby's International Realty, (315) 663-7022.
Hawaii, Hawaiian Islands. This four-bedroom home on the Big Island lies inside Hualalai, a planned resort community. The house has floor-to-ceiling sliding doors, a wine closet, and a master suite with a lanai and an outdoor shower.
The property includes a pool, a pavilion, views of the Pacific Ocean, and access to member services. $5,250,000. Rob Kildow, Hualalai Realty, Inc., (808) 325-8500.
Orcas Island, Washington. Built on the edge of a hill, this four-bedroom house overlooks the East Sound. The home features two master suites, two fireplaces, vaulted ceilings, and French doors.
The 3.5-acre property has a deck, a hot tub, and 1,000 feet of waterfront. $1,750,000. The Gudgell Group, Windermere Real Estate/Orcas Island, (800) 842-5770.
Melody Key, Florida. This off-the-grid private island is a mile offshore. The 6.1-acre key includes a three-bedroom home with an open floor plan, French doors, private balconies, an elevator, a gourmet kitchen, and a rooftop observatory.
The property has a dock, a pool, and a desalination plant. $6,900,000. Bill Hart, Ocean/Sotheby's International Realty, (305) 853-0303.
Jamestown, Rhode Island. Built in 1893, this historic shingle-and-stone house overlooks Mackerel Cove. The six-bedroom home features oak paneling, leaded-glass windows, a turreted staircase, four fireplaces, and a master suite with pencil-sketched walls dating to the early 1900s.
A staircase and level boulders at the edge of the property provide access to the water. $2,950,000. Judy Chace, Mott & Chace/Sotheby's International Realty, (401) 207-9166.
Great Cranberry Island, Maine. This three-bedroom farmhouse was built in 1891. The home includes hardwood floors, a bay window, and a kitchen with wainscoting and a six-burner Hartland stove.
The property has a deck, a garden area, and water views and is accessible by ferry service. $328,500. Harriet Whittington and Tricia Blythe, The Knowles Co., (855) 719-3762.
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