218 West Shore Drive, Portland, ME 04109

$2,100,000

Virtual Tour

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Property Type: Residential Bedrooms: 2 Baths: 1 Square Footage: 1,039 Lot Size (sq. ft.): 127,631 Status: Active

Current Price: $2,100,000 List Date: 7/23/2026 Last Modified: 7/31/2026

Overview

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, and including an approved buildable house lot, 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 ... (Read more)

Listing Details MLS# 1673223

Property Sub-Type

Property Sub-Type: Single Family Residence

Location Information

Street #: 218
Street Name: West Shore
Street Type: Drive
County: Cumberland
Town: Portland
State/Province: ME
Zip Code: 04109
Leased Land: No
Book: 14189
Page: 340
Map: 83E
Block: A
Lot: 18
Zoning: residential
Zoning Overlay: Unknown
Neighborhood Association: Diamond Cove Homeowners Association
Association: Yes
Association Fee: 725
Fee Frequency Paid: Monthly
Full Tax Amount $: 16146
Tax Year: 2025
Tree Growth Y/N: No

Contract Information

Original List Price: 2100000

Property Information

Surveyed: Yes
Seasonal: No
Deed/Conveyance Type Offered: Warranty
# Rooms: 7
# Bedrooms: 2
# Fireplaces: Yes
Total Full Baths: Yes
Total Baths: Yes
Year Built: 1997
SqFt Finished Above Grade: 1039
SqFt Finished Total: 1039
SqFt Source: Public Records
Garage: No
Lot Size Acres +/-: 2.93
Source of Acreage: Public Records
Road Frontage: No
Total Half Baths: 0
SqFt Finished Below Grade: 0

Water Info

Water Frontage: Yes
Waterfront Amount: 266
Water Frontage Owned: 266
Water View: Yes
Water Body Name: Casco Bay
Island: Yes
Water Frontage Shared: 0

Appliances Included

Other Appliances: slate countertops
Dryer: Yes
Gas Range: Yes
Microwave: Yes
Refrigerator: Yes
Washer: Yes

More Information

Utilities

Utilities On: No

Site

Rolling/Sloping: Yes
Wooded: Yes

Location

Abuts Conservation: Yes
Historic District: Yes
Rural: Yes

Roads

Association: Yes
Dirt: Yes
Gravel: Yes
Private Road: Yes

Transportation

Deep Water Access: Yes

Source of Water Frontage

Deed: Yes
Seller: Yes

Water Body Type

Bay: Yes
Ocean: Yes

Recreational Water

Beach Rights: Yes
Common: Yes
Oceanfront: Yes
Waterfront Tidal: Yes

Construction

Masonry: Yes
Wood Frame: Yes

Other Structures

Outbuilding: Yes

Basement

None: Yes

View

Scenic: Yes
Trees/Woods: Yes

Exterior

Shingle Siding: Yes

Roof

Metal: Yes

Heat System

Direct Vent Heater: Yes
Heat Pump: Yes
Wood Stove: Yes

Heat Fuel

Electric: Yes
Propane: Yes

Cooling

Heat Pump: Yes

Floors

Concrete: Yes
Wood: Yes

Kitchen Countertop

Other: Yes
Solid Surface: Yes

Parking

No Parking: Yes

Style

Other: Yes
Shingle: Yes

Electric

Circuit Breakers: Yes

Bedroom 1

Bedroom 1: Yes
Bedroom 1 Level: First

Gas

Underground: Yes

Sewer

Private Sewer: Yes

Bedroom 2

Bedroom 2: Yes
Bedroom 2 Level: First

Water

Public: Yes

Driveway

Gravel: Yes

Restrictions

Other Restrictions: Yes

Basement Entry

Not Applicable: Yes

Water Heater

Off Heating System: Yes

Amenities

1st Floor Bedroom: Yes
Laundry - 1st Floor: Yes
Other: Yes
Primary Bedroom w/Bath: Yes
Shower: Yes
Storage: Yes

Patio and Porch Features

Deck: Yes

Equipment

Internet Access Available: Yes

Vehicle Storage

Other Vehicle Storage: Yes

Dining Room

Dining Room: Yes
Dining Room Level: First

Kitchen

Kitchen: Yes
Kitchen Level: First

Living Room

Living Room: Yes
Living Room Level: First

Office

Office: Yes
Office Level: First

Property Features

Site: Rolling/Sloping; Wooded Location: Abuts Conservation; Historic District; Rural Roads: Association; Dirt; Gravel; Private Road Transportation: Deep Water Access Source of Water Frontage: Deed; Seller Water Body Type: Bay; Ocean Recreational Water: Beach Rights; Common; Oceanfront; Waterfront Tidal View: Scenic; Trees/Woods Appliances Included: Dryer; Gas Range; Microwave; Refrigerator; Washer Kitchen Countertop: Other; Solid Surface Style: Other; Shingle Construction: Masonry; Wood Frame Basement: None Basement Entry: Not Applicable Roof: Metal Exterior: Shingle Siding Heat System: Direct Vent Heater; Heat Pump; Wood Stove Heat Fuel: Propane Water Heater: Off Heating System Cooling: Heat Pump Floors: Concrete; Wood Amenities: 1st Floor Bedroom; Laundry - 1st Floor; Other; Primary Bedroom w/Bath; Shower; Storage Patio and Porch Features: Deck Equipment: Internet Access Available Driveway: Gravel Parking: No Parking Vehicle Storage: Other Vehicle Storage Other Structures: Outbuilding Restrictions: Other Restrictions Electric: Circuit Breakers Gas: Underground Sewer: Private Sewer Water: Public

Room Information

Room Name	Level
Bedroom 1	First
Bedroom 2	First
Kitchen	First
Dining Room	First
Kitchen	First
Office	First
Living Room	First

Documents

Fema Firmette ›

Map ›

Property Disclosure Public Access ›

Deed Public Access ›

Condo Addendums Public Access ›

Historical Documents ›

Amended Recordings ›

Listing Office: Town & Shore Real Estate

Last Updated: July - 31 - 2026

Broker Attribution: 207-773-0262

Listing data is derived in whole or in part from the Maine IDX and is for consumers' personal, noncommercial use only. Dimensions are approximate and not guaranteed. All data should be independently verified. Copyright ©2026 Maine Real Estate Information System, Inc. All Rights Reserved. Equal Housing Opportunity.