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218 West Shore Drive, Portland, ME 04109

$2,100,000
  • 218 West Shore Drive, Portland, ME 04109 Main Photo

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New to the Market Active
BEDS2 BATHS1 full SQUARE FEET1,039 MLS#1673223
STATUSActive PROPERTY TYPEResidential - Single Family

Property Description

A truly rare offering on Great Diamond Island, 218 West Shore Drive is a year-round waterfront property where Maine island living, extraordinary history, and unforgettable sunset views converge.Part of historic Fort McKinley, a coastal defense installation constructed between 1890 and 1910 to protect Portland Harbor, the property occupies a commanding waterfront position with sweeping views toward the Portland skyline. Set on almost 3 acres with 266 feet of water frontage, it offers a meaningful connection to both the island's storied past and the surrounding seascape.The charming cottage is attached to an original mining casemate and features an inviting living area opening to a waterside patio, two bedrooms, and one bath, with the primary bedroom located within the original casemate. Additional historic structures include a renovated second bunker, currently used as a den/office and a workshop with potential for a third bedroom, as well as a rangefinder station and gun battery.Tucked along a private cove with beautiful westerly sunset views, this one-of-a-kind property offers privacy, character, and a remarkable connection to the sea. As part of the Diamond Cove Association, residents enjoy amenities including a pool, tennis and pickleball courts, a bowling alley, and a basketball court. Accessible by ferry or private boat, Great Diamond Island also offers a marina, an inn, and restaurants, creating an exceptional opportunity for year-round island living just minutes from Portland.

218 West Shore Drive | MLS# 1673223

This single family home located at 218 West Shore Drive, Portland, ME 04109 is currently listed for sale with an asking price of $2,100,000. This property was built in 1997 and has 2 bedrooms and 1 full baths with 1039 sq. ft. Search Portland real estate on acastonguay.spragueandcurtis.com today.

Property Features

Property Type: Residential - Single Family
Basement: Not Applicable, None
Cooling: Heat Pump
Heating: Electric, Propane, Direct Vent Heater, Heat Pump, Wood
Home Style: Other, Shingle
Lot Size: 2.93 Acres
Roof Type: Metal
Taxes: $16,146
Year Built: 1997

Feature Descriptions

Amenities: 1st Floor Bedroom, Main Level, Other Amenities, Shower, Storage, Primary Bedroom w/Bath
Appliances: Dryer, Microwave, Gas Range, Refrigerator, Washer
Association Fee: $725/Monthly
Electric: Circuit Breakers
Equipment: Internet Access Available
Exterior: Masonry, Wood Frame, Shingle Siding
Flooring: Concrete, Wood
Lot: Abuts Conservation, Historic District, Rural, Rolling Slope, Wooded
Parking: Gravel, None
Road frontage: Private Road
Road Surface: Gravel, Dirt
Sewer: Private Sewer
Special View Info: Scenic, Trees/Woods
SQ FT Above Grade: 1039
SQ FT Below Grade: 0
Total Rooms: 7
Water: Public
Water Body Name: Casco Bay
Wooded: Yes

Listed By / Shown By

Listed By

Agency Name: Town & Shore Real Estate
Agency Contact: 207-773-0262

Shown By

Agent Name: Ann Castonguay
Agent Phone: (207) 242-1464
Agency Title: Sprague and Curtis Real Estate

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Estimated Payment

$ 6,631.69 per month $4,673.69 Principal & Interest $1,345.50 Property Tax $612.50 Homeowner's Insurance

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Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 07/25/2026. The listing information on this page last changed on 07/25/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Sat 07/25/2026 7:19:15 PM EST) or MREIS (last updated Sat 07/25/2026 7:15:27 PM EST). Real estate listings held by brokerage firms other than Sprague and Curtis Real Estate may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.



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