6 Quartermaster Court, Portland, ME 04109

$850,000

Virtual Tour

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Virtual Tour

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Property Type: Residential Bedrooms: 3 Baths: 3 Square Footage: 2,016 Lot Size (sq. ft.): 871 Status: Active

Current Price: $850,000 List Date: 3/09/2026 Last Modified: 3/13/2026

Overview

Description

Enjoy island living at its finest in this historic Quartermasters at Diamond Cove on Great Diamond Island. This 3-bedroom, 2.5-bath home offers antique hardwood floors, soaring ceilings, exposed beams, and a cozy wood-burning fireplace. The kitchen features stainless steel appliances and granite countertops, and the desirable first-floor primary suite adds comfort and convenience. A private deck with water views extends your living space outdoors. Just a short stroll away are the island's restaurant, marina, and private beaches, along with endless opportunities to explore the surrounding islands and boating destinations or head into Portland for its vibrant dining and shopping scene. Diamond Cove residents enjoy outstanding amenities, including a heated pool, tennis and pickleball courts, fitness center, indoor basketball court, antique bowling alley, private beaches, and wooded walking trails. With convenient year-round ferry service from Portland running multiple times daily and on- ... (Read more)

Listing Details MLS# 1653706

Property Sub-Type

Property Sub-Type: Single Family Residence

Location Information

Street #: 6
Street Name: Quartermaster
Street Type: Court
County: Cumberland
Town: Portland
State/Province: ME
Zip Code: 04109
Zip +4: 3007
Leased Land: No
Book: 34990
Page: 072
Map: 83F
Block: A
Lot: 562
Zoning: ER
Zoning Overlay: Yes
Neighborhood Association: Diamond Cove Homeowner Association
Association: Yes
Association Fee: 796
Fee Frequency Paid: Monthly
Full Tax Amount $: 9766
Tax Year: 2026
Tree Growth Y/N: No

Contract Information

Original List Price: 850000

Property Information

Surveyed: Yes
Seasonal: No
# Rooms: 7
# Bedrooms: 3
# Fireplaces: Yes
Total Full Baths: 2
Total Half Baths: Yes
Total Baths: 3
Furniture: Furnished
Color: Brick Red
Year Built: 1890
SqFt Finished Above Grade: 2016
SqFt Finished Total: 2016
SqFt Source: Public Records
Garage: No
Lot Size Acres +/-: 0.02
Source of Acreage: Public Records
Road Frontage: No
SqFt Finished Below Grade: 0
Garage Spaces: 0

Water Info

Water Frontage: Yes
Waterfront Amount: 1000
Water Frontage Shared: 1000
Water View: Yes
Water Body Name: Casco Bay
Island: Yes
Water Frontage Owned: 0

Source of Water Frontage

Waterfront Other Source: 5 shared waterfront areas
Other: Yes

More Information

Site

Level: Yes
Open: Yes
Sidewalks: Yes
Well Landscaped: Yes

Location

Abuts Conservation: Yes
Historic District: Yes

Roads

Association: Yes
Dirt: Yes
Private Road: Yes

Transportation

Deep Water Access: Yes

Water Body Type

Bay: Yes
Cove: Yes
Ocean: Yes

Recreational Water

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

Construction

Masonry: Yes

Basement

Daylight: Yes
Full: Yes
Partial: Yes

View

Scenic: Yes
Trees/Woods: Yes

Foundation Materials

Brick/Mortar: Yes
Granite: Yes
Stone: Yes

Exterior

Brick: Yes

Roof

Slate: Yes

Heat System

Forced Air: Yes

Appliances Included

Dishwasher: Yes
Dryer: Yes
Electric Range: Yes
Refrigerator: Yes
Washer: Yes

Energy Efficiency

Thermostat: Yes

Heat Fuel

Oil: Yes

Cooling

None: Yes

Floors

Tile: Yes
Wood: Yes

Kitchen Countertop

Granite: Yes

Parking

On Site: Yes

Style

Victorian: Yes

Electric

Circuit Breakers: Yes

Bedroom 1

Bedroom 1: Yes
Bedroom 1 Level: Second

Bedroom 1 Amenities

Vaulted Ceiling: Yes
Walk-in Closet: Yes

Gas

No Gas: Yes

Sewer

Quasi-Public: Yes

Bedroom 2

Bedroom 2: Yes
Bedroom 2 Level: Second

Water

Public: Yes

Bedroom Amenities 2

Vaulted Ceiling: Yes
Walk-in Closet: Yes

Driveway

Other: Yes

Restrictions

Other Restrictions: Yes

Basement Entry

Interior: Yes

Water Heater

Off Heating System: Yes

Amenities

1st Floor Primary Bedroom w/Bath: Yes
Bathtub: Yes
Clubhouse: Yes
Primary Bedroom w/Bath: Yes
Shower: Yes
Storage: Yes
Walk-in Closets: Yes

Equipment

Internet Access Available: Yes

Vehicle Storage

No Vehicle Storage: Yes

Dining Room

Dining Room: Yes
Dining Room Level: First

Kitchen

Kitchen: Yes
Kitchen Level: First

Kitchen Amenities

Vaulted Ceiling: Yes

Laundry Room

Laundry: Yes
Laundry Room Level: Basement

Living Room

Living Room: Yes
Living Room Level: First

Living Room Amenities

Wood Burning Fireplace: Yes

Primary Bedroom

Primary Bedroom: Yes
Primary Bedroom Level: First

Primary Bedroom Amenities

Closet: Yes
Full Bath: Yes
Jetted Tub: Yes
Suite: Yes
Vaulted Ceiling: Yes

Room Features

Closet: Yes
Full Bath: Yes
Jetted Tub: Yes
Suite: Yes
Vaulted Ceiling(s): Yes
Walk-In Closet(s): Yes
Wood Burning Fireplace: Yes

Property Features

Site: Level; Open; Sidewalks; Well Landscaped Location: Abuts Conservation; Historic District Roads: Association; Dirt; Private Road Transportation: Deep Water Access Source of Water Frontage: Other Water Body Type: Bay; Cove; Ocean Recreational Water: Beach Rights; Common; Oceanfront; Waterfront Deep; Waterfront Tidal View: Scenic; Trees/Woods Appliances Included: Dishwasher; Dryer; Electric Range; Refrigerator; Washer Kitchen Countertop: Granite Style: Victorian Construction: Masonry Basement: Daylight; Full; Partial Basement Entry: Interior Foundation Materials: Brick/Mortar; Granite; Stone Roof: Slate Exterior: Brick Heat System: Forced Air Heat Fuel: Oil Water Heater: Off Heating System Cooling: None Floors: Tile; Wood Amenities: 1st Floor Primary Bedroom w/Bath; Bathtub; Clubhouse; Primary Bedroom w/Bath; Shower; Storage; Walk-in Closets Equipment: Internet Access Available Energy Efficiency: Thermostat Driveway: Other Parking: On Site Vehicle Storage: No Vehicle Storage Restrictions: Other Restrictions Electric: Circuit Breakers Gas: No Gas Sewer: Quasi-Public Water: Public

Room Information

Room Name	Level
Primary Bedroom	First
Bedroom 1	Second
Bedroom 2	Second
Dining Room	First
Kitchen	First
Laundry	Basement
Living Room	First

Documents

Property Disclosure Public Access ›

Property Disclosure Flood Addendum ›

Deed Public Access ›

Lead Paint Addendum Public Access ›

Arsenic Water ›

Arsenic Wood ›

IDX

Listing Office: Legacy Properties Sotheby's International Realty

Last Updated: March - 13 - 2026

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.