Great Diamond Island, Portland Real Estate & Homes For Sale
3 homes
Use arrow keys to navigate0.28 ACRESCentury 21 North East, Active
Use arrow keys to navigate0.49 ACRESPortland's Choice Realty, LLC, Active
Use arrow keys to navigateLegacy Properties Sotheby's International Realty, Active
Real Estate & Homes For Sale Near Great Diamond Island, Portland, ME
We found 30 more homes matching your filters just outside Great Diamond Island
Use arrow keys to navigateNEW - 6 HRS AGO5.23 ACRESKeller Williams Realty, Active
Use arrow keys to navigateNEW - 8 HRS AGO2.2 ACRESEXP Realty
Use arrow keys to navigateNEW - 8 HRS AGONEW CONSTRUCTIONThe Maine Real Estate Experience, Active
Use arrow keys to navigateNEWCOMING SOON1.12 ACRESDream Home Realty LLC, Coming Soon / No Show
Use arrow keys to navigateNEWOPEN SUN, 11-1PMColdwell Banker Realty, Active
Use arrow keys to navigateNEWOPEN SAT, 11-1PMKennebunk Beach Realty, Active
Use arrow keys to navigateNEWOPEN SUN, 11-1PM4.36 ACRESPortside Real Estate Group, Active
NEW - 10 HRS AGONEW CONSTRUCTIONKeller Williams Coastal and Lakes & Mountains Realty, Active
NEWOPEN SAT, 11-1PM0.31 ACRESKeller Williams Realty, Active
NEW - 11 HRS AGOEpique Realty, Active
NEWOPEN SUN, 10-12PM0.74 ACRESPortside Real Estate Group, Active
NEW - 12 HRS AGO6.3 ACRESColdwell Banker Realty, Active
NEWOPEN SUN, 11-12:30PMKeller Williams Realty, Active
NEW - 13 HRS AGO0.86 ACRESRE/MAX By The Bay, Active
NEWCOMING SOON1.7 ACRESDream Home Realty LLC, Coming Soon / No Show
NEW - 13 HRS AGO7.67 ACRESKeller Williams Realty, Active
NEWOPEN SAT, 1-3PMPortside Real Estate Group, Active
NEW - 14 HRS AGO1.45 ACRESFIV Realty Co Maine, LLC, Active
NEW - 14 HRS AGOThe Maine Real Estate Experience, Active
NEW - 14 HRS AGO0.56 ACRESCENTURY 21 Advantage, Active
NEWOPEN SUN, 12-2PM0.74 ACRESColdwell Banker Team Real Estate, Active
NEW - 14 HRS AGO3 ACRESMorrison Real Estate, Active
NEW - 14 HRS AGO0.38 ACRESPortside Real Estate Group, Active
NEW - 15 HRS AGO0.28 ACRESKeller Williams Coastal and Lakes & Mountains Realty, Active
NEWOPEN SUN, 1-3PM0.59 ACRESSignature Homes Real Estate Group, LLC, Active
NEWOPEN SAT, 11-12:30PM2.81 ACRESPortside Real Estate Group, Active
NEWOPEN SAT, 2-4PMPortside Real Estate Group, Active
NEWOPEN SAT, 12-1:30PM2.34 ACRESLeading Edge Real Estate, Active
NEWOPEN SAT, 10:30-12PMPortside Real Estate Group, Active
NEW - 16 HRS AGO15.19 ACRESRE/MAX Oceanside, Active
Great Diamond Island, Portland, ME Real Estate Trends
Learn about the Great Diamond Island, Portland, ME housing market through trends and averages.Affordability of Living in Great Diamond Island, Portland, ME
The median home value is $790,567
| Month | Median home value |
|---|---|
| May 2025 | $781k |
| June 2025 | $783k |
| July 2025 | $782k |
| August 2025 | $780k |
| September 2025 | $780k |
| October 2025 | $780k |
| November 2025 | $781k |
| December 2025 | $781k |
| January 2026 | $783k |
| February 2026 | $786k |
| March 2026 | $790k |
| April 2026 | $791k |
Trends and affordability stats are provided by third party data sources.
Explore the Neighborhood
Neighborhood stats provided by third party data sources.
Learn more about Great Diamond Island
See information on schools, amenities and more.See Great Diamond Island Insights
Listing data is derived in whole or in part from Maine Real Estate Information System, Inc. (d/b/a Maine Listings) and is for consumers' personal, noncommercial use only. Dimensions are approximate and not guaranteed. All data should be independently verified.
© 2026 Maine Real Estate Information System, Inc. All Rights Reserved. Equal Housing Opportunity.
Zillow Inc. 415 Congress St #202 Portland, ME 04101 (207) 220-3782
Zillow Inc. 415 Congress St #202 Portland, ME 04101 (207) 220-3782