Presenting a rare and extraordinary opportunity set along the shores of Osterville’s exclusive West Bay. This exquisite waterfront estate features a four-bedroom main residence masterfully designed by Hutker Architects to showcase sweeping water views amidst inimitable quality and craftsmanship. Designed as a generational compound affording the utmost privacy in an incomparable setting, the estate includes a three-bedroom guest house, a swimming pool, sandy beach, an outhaul mooring, and a dock for non-motorized crafts. From the poolside terrace to multiple stone patios overlooking West Bay, the property caters to outdoor living and enjoys a seamless connection to its surroundings, with grounds designed by award-winning landscape architect Kris Horiuchi. Throughout the main living space, oversized windows frame breathtaking water views, while understated elegance defines the interiors, with beamed ceilings, wainscoting, and a double-sided stone fireplace that offers striking visual appeal. The chef’s kitchen features professional-grade appliances, a breakfast bar, and pantry, equipped for any occasion with an adjacent dining room and direct access to a stone terrace for al fresco dining. Set within its own wing, the first-floor primary suite features a covered deck, a large walk-in closet, a private office, and a luxurious bathroom with dual vanities. On the second level, three bedrooms and two full bathrooms provide well-appointed accommodations for family and guests. Located on Osterville’s coveted Eel River Road, this magnificent waterfront estate is minutes from Wianno, Oyster Harbors, and the boutique shops and restaurants on Main Street. Every element of this property reflects intentional design, discretion, and timeless elegance, while embodying the essence of Cape Cod living.
Property Details
Price:
$10,500,000
MLS #:
22602692
Status:
Active
Beds:
7
Baths:
5.5
Type:
Single Family
Subtype:
Single Family Residence
Listed Date:
Jun 5, 2026
Finished Sq Ft:
6,368
Total Sq Ft:
6,368
Lot Size:
45,302 sqft / 1.04 acres (approx)
Year Built:
2007
WaterfrontWoodedPoolBarnstableWest Bay
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Schools
School District:
Barnstable
Interior
Appliances
Gas Water Heater
Bathrooms
5 Full Bathrooms, 1 Half Bathroom
Cooling
Central Air
Fireplaces Total
3
Flooring
Wood, Carpet, Tile
Exterior
Architectural Style
Cape Cod, Shingle
Construction Materials
Shingle Siding
Garage Spaces
2
Lot Features
Conservation Area, School, House of Worship, Near Golf Course, Shopping, Public Tennis, Marina, In Town Location, Level, Wooded, South of Route 28
109 Eel River Road Osterville Barnstable MA is a Single Family for sale in Barnstable, MA, 02655. It is listed for $10,500,000 and features 7 beds, 6 baths, and has approximately 6,368 square feet of living space, and was originally constructed in 2007. The current price per square foot is $1,649. The average price per square foot for Single Family listings in Barnstable is $640. The average listing price for Single Family in Barnstable is $2,058,550. To schedule a showing of MLS#22602692 at 109 Eel River Road Osterville in Barnstable, MA, contact your Pleasant Bay Realty agent at (774) 209-1428.
Courtesy of Berkshire Hathaway HomeServices Robert Paul Properties. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the Cape Cod & Islands Multiple Listing Service. Detailed information about real estate listings held by brokerage firms other than Pleasant Bay Realty include the name of the listing broker. Neither the listing company nor Pleasant Bay Realty shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. Cape Cod & Islands Multiple Listing Service. All rights reserved.