545 Sea View Avenue Osterville
Barnstable, MA, 02655
$10,800,000
6 Beds
5.5 Baths
3,859 SqFt
2.52 Acres
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Set on Osterville’s prestigious Sea View Avenue, this exquisite waterfront estate boasts an unparalleled combination of privacy, presence, and natural beauty. Sweeping views of Nantucket Sound and a pristine private sandy beach highlight this one-of-a-kind offering, located just minutes from everything Osterville has to offer. Accessed via a long, tree-lined driveway, coastal gardens and rolling lawns set the stage as one approaches the classic Cape Cod residence. Immediately upon entering, breathtaking views are on full display and continue throughout, with large windows and glass doors that seamlessly connect to multiple outdoor living spaces. At the heart of the home, a generously proportioned living room with three exposures is flooded with natural light, opening to a den on one side and a dining room on the other. Fit for any occasion, the dining room connects to the adjacent kitchen featuring an eat-in breakfast bar and water views. A guest bedroom completes the first level, offering convenience and flexibility. On the second floor, five additional bedrooms – including a spacious primary suite with mesmerizing vistas over Nantucket Sound – ensure ample accommodations for family and friends. Outside, the expansive lawn and terraces are ideal for embracing the outdoor lifestyle, while a staircase at the edge of the yard leads to one of Cape Cod’s finest private sandy beaches.

Just moments from The Wianno Club, Oyster Harbors, and the shops and restaurants of Osterville’s Main Street, this rare and extraordinary property is ready to be enjoyed.

Property Details

Price:
$10,800,000
MLS #:
22502098
Status:
Pending
Beds:
6
Baths:
5.5
Type:
Single Family
Subtype:
Single Family Residence
Listed Date:
May 6, 2025
Finished Sq Ft:
3,859
Total Sq Ft:
3,859
Lot Size:
109,771 sqft / 2.52 acres (approx)
Year Built:
1947
WaterfrontBarnstableNantucket Sound

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Schools

School District:
Barnstable

Interior

Bathrooms
5 Full Bathrooms, 1 Half Bathroom
Cooling
Central Air
Fireplaces Total
1
Flooring
Hardwood, Carpet
Heating
Hot Water

Exterior

Architectural Style
Colonial
Community Features
Deeded Beach Rights
Construction Materials
Shingle Siding
Roof
Wood, Shingle

Financial

Tax Year
2025
Taxes
$82,252

Map

Community

Market Summary

Current real estate data for Single Family in Barnstable as of Sep 05, 2025
198
Single Family Listed
101
Avg DOM
4,248
Avg $ / SqFt
$2,153,661
Avg List Price

Property Summary

    545 Sea View Avenue Osterville Barnstable MA is a Single Family for sale in Barnstable, MA, 02655. It is listed for $10,800,000 and features 6 beds, 6 baths, and has approximately 3,859 square feet of living space, and was originally constructed in 1947. The current price per square foot is $2,799. The average price per square foot for Single Family listings in Barnstable is $4,248. The average listing price for Single Family in Barnstable is $2,153,661. To schedule a showing of MLS#22502098 at 545 Sea View Avenue Osterville in Barnstable, MA, contact your Pleasant Bay Realty agent at (774) 209-1428.

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