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Offered at $2,995,000Active
beds
4
baths
3
sq ft
2,500
Built
2001

57 Cow Island

Tuftonboro, NH 03816

Residential · Active · MLS #5105036
Listing Courtesy of Coldwell Banker Realty Center Harbor NH | Ellen Mulligan

The home

About this home

Discover the pinnacle of modern, luxurious island living! Nestled on just over 3 acres with an impressive 275’ of pristine waterfront on Cow Island, this one-of-a-kind sanctuary offers 4 elegant bedrooms and 2,500 sq. ft. in a seamless blend of privacy, recreation, and sophisticated lake luxury. A private sand beach, expansive dock, and stunning two-slip boathouse deliver an extraordinary waterfront experience. The boathouse boasts oversized doors and two interior slips accommodating 33’ and 22’ vessels, plus space for jet skis and water toys. The exterior dock welcomes docking for two or three more boats. Just steps from the spacious wrap-around deck, an 8-person outdoor hot tub and private hot-and-cold outdoor shower invite relaxation. The entire home was spectacularly interior-designed by Award-Winning Home Comfort, with every piece of custom furniture crafted exclusively for the residence. The indoor dining area seats 8, offers the perfect haven for morning coffee, beautiful dinners, and the adjacent family room is perfect for TV after a day on the water. Outdoor dining from the expansive deck for 12. The fully equipped gourmet kitchen features granite countertops, a large island, elegant slate flooring, stainless steel appliances including dishwasher and washer/dryer. A soaring cathedral-ceilinged living area framed by a wall of windows showcases a spectacular lake view, bringing the outdoors in and opening onto the deck. Warm hardwood floors and a modern Swedish wood stove create a cozy gathering space in every season. The main floor presents a full guest bath and a gorgeous primary suite with full bath; second floor features three generously sized bedrooms plus full bath. A separate queen-sized bedroom cottage sits steps from the shower and hot tub. Fully insulated with a drilled well and electric heat, the home is ideal for year-round enjoyment, wintertime getaways and ice fishing adventures. A rare and spectacular offering among the Islands.

Property information

Details at a glance

Interior4 property facts
Rooms
7
Heating
Baseboard, Wood, Electric, Wood Stove
Cooling
None
Flooring
Tile, Wood
Building3 property facts
Style
Single Family Residence
Year built
2001
Roof
Shingle
Land & utilities5 property facts
Lot size
3.1 acres
Water
Well, Private
Sewer
Septic Tank
Waterfront
Y
Zoning
ISC-IS
Financial2 property facts
Annual taxes
$8,110
Assessment year
2025

Plan your purchase

Estimated monthly cost

Explore costs at the $2,995,000 asking price. Adjust the assumptions to your situation.

Known monthly costs$15,820 / monthAdjust
Principal & interest
$15,144
Property tax
$676
Insurance
Not entered
HOA
Not entered

Listing annual taxes: $8,110. Initial monthly tax is one twelfth of that amount. HOA amount was not supplied.

Partial estimate: add insurance, monthly HOA to include those costs. Blank amounts are unknown.

The initial 6.5% rate is illustrative, not a current rate or lender quote. Excludes utilities, maintenance, closing costs and mortgage insurance, which may apply with a down payment below 20%. Taxes and insurance can change.

Listing history

Price and status timeline

No additional listing history is available for public display.

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Price & market context

See how this home compares with active listings in Tuftonboro.

This home compared with active listings in Tuftonboro
MetricThis homeLocal listings
List price$2,995,000$798,000275% above local
Price / sq ft$1,198$540122% above local
Days on market97087% below local

Active city listing statistics from PrimeMLS as of September 12, 2026. Asking prices are not completed-sale values.

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Common questions

About 57 Cow Island

Can I request a private showing?

Request a tour of 57 Cow Island and a Bean Group agent will help coordinate an available time with the listing side.

Can you help me evaluate this property?

Yes. We can discuss condition, comparable sales, offer strategy and the questions worth asking before you decide whether to proceed.

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