- Agent Pronto
- Maine
- Portland
- Great Diamond Island
Find the perfect real estate agent in Great Diamond Island, Portland, ME
We analyze top real estate agents in Portland’s Great Diamond Island neighborhood and across the country to find you the most proven local agents, for free.
The easiest way to find the best real estate agent.
Sell your home fast and for top dollar or find your dream home at the best possible price. Use our free service to find top agents you can trust.
- Tell us what you need.
- Answer a few quick questions about your real estate needs so we can begin our search.
- Match with the perfect agent.
- Our personalized matching system will connect you with a top-rated real estate agent with the local expertise and experience you need.
- Meet your agent.
- Review the details of your top agent recommendations and speak with them to learn exactly how they can make your real estate journey a success.
- Buy and sell with confidence.
- While real estate decisions are among the most important financial and personal decisions we make, you can rest easy knowing that you have a proven real estate professional on your side.
Home buyers and sellers love Agent Pronto.
We’ve helped over 500,000 home buyers and sellers find their ideal real estate agent. Here’s what some of them have had to say about our service.
“Agent Pronto called me immediately and connected me with the best agent I could have hoped for, Maria, who sold my house within three days of listing it. Best real estate transaction ever.”
“Very satisfied with the connection to realtor Eric Hall! ”
“Janna was awesome and was continually looking out for us and making certain everything was on track. She is the best of the best!”
“It was a smooth process and the agent did a wonderful job.”
“Mark and his team were wonderful!”
“Being matched with my agent Lylah was a really positive experience for me. Without Agent Pronto, our paths may not have crossed which would have resulted in a very different home purchasing experience for me. I'm so glad Lylah was my agent, as she clearly had my best interests in mind at every point in the process. She was also very reliable and timely which was very important to me. I would highly recommend Lylah to anyone buying or selling a home!”
“Agent Pronto was very professional and committed to giving me the best experience possible. He did great with following up with me and being very responsive if I did need any assistance. Overall amazing experience.”
“Carol Kilburn went the extra mile to resolve issues as they came up. Carol kept us up to date as issues evolved. I would recommend her to to anyone seeking an agent. She is a five-star agent.”
“Very nice people, very proactive—would recommend them anytime, anywhere. I wish them good luck in their future. ”
“Connected me with Team George Real Estate and Stephanie Stoner was the best agent we ever had. She was fabulous to the end. We have purchased and sold 5 homes, she was by far the best - a lot of common sense and was aggressive for us. We cannot thank her enough.”
Great Diamond Island real estate Market Report.
Information and statistics on the latest trends in the Great Diamond Island real estate market, updated for July 2025. *
The typical home value in Great Diamond Island is projected to be $495,000 for the month of July. June’s finalized data reported the typical value of a home in the neighborhood to be $495,000—down 44.07% over the previous 12 months. For comparison, city-level data pegged home values at $631,000 in Portland for the most recent reporting period. That number is expected to float around $658,130 in July.
Great Diamond Island had 3 new listings and 5 listings that went under contract in June, decreasing the area’s total available inventory to 3—down 0.0% from the previous month. Inventory is projected to have further decreased in July.
The median listing price for homes in Great Diamond Island fell 35.86% from May to June, bringing the current median listing price to $465,000. Based on projected data for July, listing prices may continue to fall.
The number of days that homes have been on the market prior to going under contract rose year-over-year. In June 2025, the median time for a listed property to go pending was 24 days, compared to -104 days in June 2024. In recent months the median number of days from listed to pending appears to be steady. That trend is predicted to have carried through to this July.
Market gauge is calculated based on the the number of active listings divided by home sales over the most recently available reporting period.
Learn more about what Great Diamond Island has to offer.
Great Diamond Island offers residents a unique blend of serene natural beauty and a close-knit community atmosphere, making it a charming place to live.
Great Diamond Island offers a one-of-a-kind lifestyle just a quick ferry ride from the Portland mainland. This residential enclave, surrounded by the waters of Casco Bay, is defined by its serene landscapes, walking trails, and historic architecture, including the remnants of Fort McKinley. Residents often travel by golf cart along tree-lined paths to visit neighbors, pick up groceries at the Diamond’s Edge Market, or enjoy fresh seafood at the locally acclaimed Diamond’s Edge Restaurant. Boaters and outdoor enthusiasts delight in easy access to sandy beaches and kayak launches, while year-rounders and summer residents form a tight-knit, welcoming community spirit that makes the island feel worlds away from city bustle.
Though small, Great Diamond Island’s families appreciate educational options, including public schools accessed in Portland, with daily ferry student service coordinated through Portland Public Schools (learn more). For leisure, the Great Diamond Island Tennis Association and marinas add to the island’s recreational appeal. In summer, the Casco Bay Ferry connects residents not only to the mainland but also to the lively arts scene and eclectic dining of Peaks Island, expanding living possibilities.
Choosing a home here means embracing a balance of tranquility and adventure, with remarkable sunrises, vibrant community events, and history around every corner. Whether buying or selling a home on Great Diamond Island, Agent Pronto is ready to connect you with experienced real estate professionals who understand the nuances of this singular Portland neighborhood.
Within a few minutes, I was paired up with an awesome agent who really knew the local area and helped me find a great condo in a super tight market. It was daunting to think about how to find the right agent. Agent Pronto got me the right agent, pronto!
Take the guesswork out of finding an agent.
With over 2 million real estate agents across the U.S., it’s not easy deciding who to trust when buying or selling a home.
We’ve analyzed performance metrics, close rates, specialties, and client reviews of the top real estate agents in Great Diamond Island to qualify the best agents for your specific needs.
We know that choosing the right real estate agent can be a stressful task. With Agent Pronto, it doesn’t have to be.
Data analysis with a human touch.
Agent Pronto works through troves of local and national housing data, client reviews, and agent performance metrics to find the top agents in Portland. But we don’t stop there.
Our Agent Specialists will take into account any special requests you have when searching for your real estate agent recommendation.
Need a great agent who speaks fluent Spanish and is a luxury condo expert in your neighborhood? No problem!
Resources for buyers and sellers.
Tips and market insights to make your Portland real estate journey a success.
Frequently Asked Questions
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There are more than 2 million real estate agents across the U.S., and you want to be sure the one you partner with is an experienced and trustworthy professional with strong local expertise. Working with a proven agent will help you sell your home faster and for more money, and help you find your dream home at the best possible price.
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Choosing a real estate agent to help you buy or sell property is one of the most important decisions you’ll make in your lifetime. You want to make sure your agent is an expert in your area, has a proven record helping people buy and sell similar homes to yours, and is well regarded by their previous clients. Let us know a few details about the property you are selling or the kind of home you want to buy, and Agent Pronto will match you with trusted real estate agents that have the experience you need. And before you interview an agent, check out our top five questions to ask a buyer’s agent and listing agent.
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We consider performance metrics, close rates, specialties, and client reviews to qualify the best full-time agents. We then take the information you provide about the home you are selling or the kind of home you want to buy, and analyze the top local agents with the right experience for your specific needs. For more than a decade, we've helped hundreds of thousands of home buyers and sellers find the right agent. Get started now and find the perfect real estate agent.
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No. Agent Pronto is a free service for home buyers and sellers and you are under no obligation to work with our recommended agents.