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Inside Clapboard Island: A Luxury Private Island Estate on the Market

Welcome to Clapboard Island, a luxurious 22-acre private island estate in Casco Bay just off the coast from Falmouth Foreside and Portland. Amenities include a furnished 13-bedroom stunning main house, plus a guest cottage, charming barn, boathouse, playhouse, private beaches, deep-water dock, and convenient designated mainland parking. This exceptional island property is a true coastal paradise and Maine life at its finest.

Island properties in Casco Bay don’t often come on the market, especially in such a convenient location to mainland amenities and services. “There have only been four families that have owned this particular property since 1898,” says Kristina Keaney, the Legacy Properties Sotheby’s International Realty agent representing the sellers alongside agent Carrie Martin. “Clapboard Island is a fairly unique property given its size, acreage, and proximity to Portland and Falmouth,” adds Martin.

“It is a 10-minute boat ride from mainland Falmouth Foreside or a 20-minute boat from downtown Portland via water taxi or your own boat,” says Keaney. “You could land at Portland airport and be on the island in under an hour.”

Tour the Main House

The centerpiece of this remarkable property is the grand 13-bedroom shingle-style main house, a true masterpiece of architecture and design. With over 10,000 square feet of living space, it offers an abundance of room for both entertaining and retreats. The main house is a testament to elegance and sophistication, featuring spacious living areas, high-end finishes, and panoramic windows that frame the ocean vistas.

“I love both porches. There is one on each side of the house, so you can capture the ocean breezes and both the sunrise and sunset,” says Keaney. “The furniture on the porches is cozy and welcoming for a long chat with friends.”


Kitchen + Dining Areas

The open-concept kitchen overlooking the ocean features iconic stone columns and hardwood floors, a gourmet gas stove with a stone backsplash, an oversized farmhouse sink, and a spacious island perfect for hosting and entertaining. We love the multiple eating and lounging areas, from the grand dining room with a stone fireplace to the cozy breakfast nook with a built-in bench.


The Bedrooms

The main house features an extraordinary 13 bedrooms. Each is tastefully decorated with a coastal Maine color palette of whites, blues, and grays, and occasional cabana stripes. “The property is in spectacular condition and each room is beautiful, plus the view of Casco Bay from every room is amazing,” says Martin.


Explore the Grounds


The 22 acres include scenic vistas of Casco Bay, private sandy beaches, a charming guest house, a fun playhouse with various lawn games stored inside, and a barn outfitted with solar panels. Neighboring the estate is the Clapboard Island East Preserve, a beautiful nature preserve owned by Maine Coast Heritage Trust with a few hiking trails and sandy beaches.


Getting to Clapboard Island 

“The property comes with some mainland parking spots and access to a dock for ease of access if someone has a private boat. There is also a local water taxi service,” says Martin. “I love the large deep-water dock with multiple floats, space to sit and watch the activity in the bay, as well as, spectacular sunsets. Plus the boathouse with the updated boat ramp is also really special.”

“I love the privacy,” adds Keaney. “It feels like your own piece of the world away from the bustle. Relaxing, serene, and retreat are all words I feel describe it. Yet you are 20 min boat ride to downtown Portland.”

1 Clapboard Island, Falmouth, Maine is offered at $7,500,000.

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