Don't miss this opportunity to escape the worries of the world to your own island sanctuary. This 3-season home is the perfect off-grid retreat with panoramic bold views across Muscongus Bay. Private deep-water dock. Catch fish and lobsters in front of your home and grow vegetables in the backyard gardens. This island home retains its original 1940s appearance but has been upgraded with full insulation, septic, propane heating, on-demand hot water, a separate workshop, and a house-sized solar system with lithium batteries and generator backup. A fieldstone chimney and soapstone woodstove provide cheer in the cool of shoulder season. Built above granite ledge, the home faces west and looks over the water's edge. Located on roadless Friendship Long Island, a historic Maine island that, over several centuries, featured farms, a grist mill, brick yard, lobster pound, granite quarry, and shops for building and repairing boats. In recent years, the island has returned to its wooded state with miles of foot paths to explore, multiple beaches to comb, a 122-acre preserve, and a host of birds and other wildlife, all just minutes by private boat from Friendship Harbor.
Classic island waterfront home with all-season comfort. Architect-designed in the 1940s with significant upgrades in 2018 and 2020. Modern self-sufficient systems for electric, water, and septic. Fully furnished and all new appliances. Deep water dock and moorings. Sweeping western views of Muscongus Bay. Accessible by private boat only (no ferry) Friendship Long Island has no roads; walking trails criss-cross this pristine 3-mile-long island. A true island escape, but just minutes by boat to Friendship harbor.
MREIS #1420097
Nov 8, 2019
Sold
$447,500
$308/sq ft
Jun 17, 2019
Listed
$465,000
$320/sq ft
+24
Beautiful, wild, oceanfront, wood-detailed, off-grid island Maine home set on granite. Boat-access only ensures privacy and excellent wildlife experiences. Thoughtful balance between traditional details and modern elements. Modern solar electric, hot water, and septic systems combined with traditional 1940's camp styling and functional antiques. Grandfathered site situated at the water's edge, this fully-insulated property includes deepwater dock, slipway, separate workshop, raised bed gardens and backdoor access to island trails and beaches. Friendship Long Island is a 3-mile long, 1-mile wide classic Maine Island in Muscongus Bay. It is mostly undeveloped, roadless, and all homes are autonomous, as no utilities come from the mainland. First inhabited in the 1700s, it is a historic largely wild island, with centuries-old granite quarry, cemetery, forests, and farm fields. Ten-minutes from from Friendship Harbor, with 19-foot boat and mooring included.
MREIS #1341351
Nov 20, 2018
Sold
$450,000
$310/sq ft
May 23, 2018
Price Changed
$498,000
$343/sq ft
Mar 13, 2018
Listed
$538,000
$371/sq ft
MREIS #1316826
Jul 12, 2017
Listed
$542,000
$373/sq ft
MREIS #1010103
Aug 31, 2011
Sold
$272,500
$188/sq ft
Apr 23, 2011
Listed
$349,000
$240/sq ft
MREIS #933738
May 20, 2009
Listed
$349,000
$240/sq ft
MREIS #862433
Aug 24, 2007
Listed
$495,000
$341/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$3,481 (+29.5%)
$154,700 + $178,400
$333,100
2019
$2,687 (+29.7%)
$106,700 + $123,000
$229,700
2018
$2,071 (+7.9%)
$106,700 + $83,300
$190,000
2017
$1,919 (+3.1%)
$106,700 + $83,300
$190,000
2016
$1,862 (−0.5%)
$106,700 + $83,300
$190,000
2015
$1,872 (+0.5%)
$106,700 + $83,300
$190,000
2014
$1,862
$106,700 + $83,300
$190,000
Tax history for 677 Friendship Long Is
Year
Property tax
Land + Additions
Assessment*
2025
$3,481 (+29.5%)
$154,700 + $178,400
$333,100
2019
$2,687 (+29.7%)
$106,700 + $123,000
$229,700
2018
$2,071 (+7.9%)
$106,700 + $83,300
$190,000
2017
$1,919 (+3.1%)
$106,700 + $83,300
$190,000
2016
$1,862 (−0.5%)
$106,700 + $83,300
$190,000
2015
$1,872 (+0.5%)
$106,700 + $83,300
$190,000
2014
$1,862
$106,700 + $83,300
$190,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Beds
3
Baths
1
Stories
2
Lot width
—
Lot depth
—
Lot size
0.79 Acres
Year renovated
—
Sq. Ft.
2,536
Year built
1946
Style
Single Family Residential
County
Knox County
APN
1371846
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 27, 2026.
Property details
Parking
Parking Information
Parking Features: No Parking, No Driveway
Interior
Bathroom Information
# of Baths (Full): 1
Room 1 Information
Type: Sunroom
Level: First
Room 2 Information
Type: Kitchen
Level: First
Room 3 Information
Type: Mud Room
Level: First
Room 4 Information
Type: Bedroom 3
Level: Second
Room 5 Information
Type: Living Room
Level: First
Room 6 Information
Type: Bedroom 1
Level: First
Room 7 Information
Type: Bedroom 2
Level: First
Interior Features
# of Rooms: 7
Interior Features: 1st Floor Bedroom
Refrigerator, Microwave, Gas Range
Flooring: Wood
Other Equipment: Satellite Dish, Internet Access Available, Generator
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Exterior
Building Information
Construction Materials: Wood Siding, Wood Frame
Foundation Details: Pillar/Post/Pier
Roof: Metal, Shingle
Total Building Area (Sq. Ft.): 1,452
Building Area Source: Appraiser
Exterior Features
Patio & Porch Features: Deck, Porch
Other Structures: Shed(s), Outhouse/Privy
Property Information
Property Sub Type: Single Family Residence
Year Built: 1946
Above-Grade Finished Area (Sq. Ft.): 1,452
Lot Information
Lot Size (Sq. Ft.): $33,976.80
Lot Size (Acres): 0.78
Lot Size Source: Public Records
Lot Features: Other Location
Zoning: Island
Waterfront Information
Waterfront: Yes
Island: Yes
Water Body Name: Muscongus Bay
Water Body Type: Ocean
Water View: Yes
Financial
Tax Information
Annual Tax Amount: $3,231
Tax Year: 2024
Utilities
Utility Information
Has Heating
Heating: Stove, Direct Vent Heater
Electric: Photovoltaics Seller Owned, Generator Hookup, Circuit Breakers, Off Grid
Sewer: Septic Tank, Septic Design Available
Water Source: Well
Water Heater: Gas, On Demand, Tankless
Location
Location Information
Unparsed Address: 677 Friendship Long Island, Friendship, ME 04547
Directions: Accessible by boat only. Contact Agency for scheduling.
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 2,536
Stories: 2.0
Lot Size: 0.79 acres
Style: Single Family Residential
Year Built: 1946
Year Renovated: —
County: Knox County
APN: 1371846
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Friendship Village School
Public K-6 • Assigned • 2.6mi
9/10
Medomak Middle School
Public 7-8 • Assigned • 12.2mi
6/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
4/10 Heat Factor
7 days above 82° expected this year, 18 days in 30 years
7/10 Wind Factor
79% chance of strong winds in next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 2 days in 30 years
Provided by First Street
Historical weather
Friendship, ME • 04547
Average low and high temperatures (°F)
29
15
32
14
41
27
50
36
61
46
73
54
76
61
75
55
70
52
59
43
48
33
34
19
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 7.9 hours in
June and 3.6 hours in December, placing it below the
U.S. average for solar exposure.
7.9 hrs
3.6 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$617,000 – $746,000
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