391 Sea View Avenue, Osterville, MA 02655 (MLS# 22503232)
391 Sea View Avenue, Osterville, MA 02655
$10,500,000
Property Type:
Residential
Bedrooms:
6
Baths:
7
Square Footage:
6,830
Lot Size (sq. ft.):
53,579
Status:
Closed
Current Price:
$10,500,000
List Date:
10/23/2025
Last Modified:
12/16/2025
Overview
Description
Overlooking the shimmering waters of Nantucket Sound, this extraordinary Wianno estate offers an unparalleled blend of elegance, privacy, and coastal charm. With its own private sandy beach and panoramic ocean views, this is a rare opportunity to own a legacy property, along Sea View Avenue, in one of Cape Cod's most coveted enclaves.
Surrounded by lush, professionally landscaped gardens, the residence is a contemporary interpretation of classic shingle-style architecture, thoughtfully designed by the acclaimed firm PSD. The home's open floor plan seamlessly integrates refined formal spaces with relaxed gathering areas—perfect for both sophisticated entertaining and fun family events.
Inside, bespoke millwork, soaring ceilings, and dramatic architectural details define the living spaces, while expansive walls of glass frame breathtaking vistas of sky and sea. Each room is a celebration of light, luxury, and craftsmanship!
A charming two bedroom two bathroom guest house, with its own deck and water views, provides the perfect retreat for visiting friends or family.
This is a fabulous opportunity to own a gracious Osterville estate and turn dreams into reality!
Listing Details MLS# 22503232
Contract Info
- Original List Price
- 15000000
- List Price/SqFt
- 1976.57
Legal and Taxes
- Street #
- 391
- Street Name
- Sea View
- Street Suffix
- Avenue
- County
- Barnstable
- Town
- Barnstable
- Village
- Osterville
- State
- MA
- Zip Code
- 02655
- Tax ID
- 138-031
- Estimated Annual Taxes
- 92242
- Tax Year
- 2025
- Building Assessments
- 3160800
- Other Assessments
- 114400
- Total Assessment
- 11115900
- Title Reference - Book
- C220322
- Underground Fuel Tank
- No
- Lead Base Paint
- No
- Asbestos
- Unknown
- Flood Ins Required
- Yes: verify w/insurance agent
- Mass Use Code
- 109 - Residential, multiple houses
- Nitrogen Sensitive Area
- Yes
- Title Reference - Page
- No
General Property Info
- Region
- Mid-Cape
- School District
- Barnstable
- Zoning
- RF-1
- Property Sub-Type
- Single Family Residence
- Year Built
- 2020
- Renovated
- No
- Total Finished Space
- 6830
- Field Card SqFt
- 5502
- Additional Finished Space
- 1328
- Additional SqFt Source
- Public Records
- Total Rooms
- 9
- Stories
- 2
- Private Pool
- No
- Private Dock
- No
- Leased Land
- No
- Lot Size SqFt
- 53579
- Lot Size Source
- Assessor
- Acres
- 1.23
- Irregular
- Yes
- Association
- No
- Membership Required
- No
- Garage
- Yes
- # of Cars
- 4
- # of Parking Spaces
- 6
- Year Round
- Yes
- Bedrooms - Total
- 6
- Baths - Full
- 4
- Baths - Half
- 3
- Baths - Total
- 7
- Separate Living Qtrs
- Yes
- Golf Course Front
- No
- Golf Course View
- No
- Waterfront
- Yes
- Water Body
- Nantucket Sound
- Waterfront Type
- Oceanfront
- Water Body Type
- Salt
- Water Access Type
- Private
- Waterview
- Yes
- Water Body View
- Nantucket Sound
- Waterview Type
- Ocean
- Miles to Beach
- 0 - .1
- Mi. to Beach Comments
- Private beach
- Fireplace
- Yes
- # Fireplaces
- 3
- Property Includes Recording Devices
- Yes
- Basement
- Yes
Status Change Info
- Concessions
- No
- Estimated Selling Date
- 2025-12-16
- Under Contract Date
- 2025-11-13
- Sold Date
- 2025-12-16
- Sold Price/SqFt
- 1537.34
- SP/AV
- 0.94
Baths Per Level
- Baths - Level 1
- 2
- Baths - Level 2
- 3
Sep Living Qtrs Info
- Beds
- 2
- Baths - Full
- 2
- Baths - Total
- 2
More Information
Convenient To
- Convenient to Water Body 1
- Nantucket Sound
- Convenient to Water Body 2
- Dowses
- Conservation Area
- Yes
- Golf Course
- Yes
- House of Worship
- Yes
- Major Highway
- Yes
- Marina
- Yes
- Medical Facility
- Yes
- School
- Yes
- Shopping
- Yes
Primary Bedroom
- Primary Bedroom Level
- Second Floor
- Primary Bedroom
- Yes
- Built-Ins
- Yes
- Cathedral Ceiling
- Yes
- Closet
- Yes
- Dressing Room
- Yes
- Flooring
- Wood
- Office/Sitting Area
- Yes
- Private Full Bath
- Yes
- View
- Yes
- Walk-in Closet
- Yes
Living Room
- Flooring
- Wood
- Special Door Access
- French
- Living Room
- Yes
- Built-Ins
- Yes
- Recessed Lighting
- Yes
- View
- Yes
- Wet Bar
- Yes
Dining Room
- Dining Room Level
- First Floor
- Flooring
- Wood
- Special Door Access
- French
- Dining Room
- Yes
- Built-Ins
- Yes
- View
- Yes
Kitchen
- Kitchen Level
- First Floor
- Countertops
- Granite
- Flooring
- Wood
- Special Door Access
- French
- Eat-in Kitchen
- Yes
- Kitchen
- Yes
- Bay/Bow Windows
- Yes
- Breakfast Nook
- Yes
- Cathedral Ceiling
- Yes
- Kitchen Island
- Yes
- Private Full Bath
- Yes
- View
- Yes
Sewer
- Septic Tank
- Title V Grade Level
Remarks & Misc
- Public Remarks
- Overlooking the shimmering waters of Nantucket Sound, this extraordinary Wianno estate offers an unparalleled blend of elegance, privacy, and coastal charm. With its own private sandy beach and panoramic ocean views, this is a rare opportunity to own a legacy property, along Sea View Avenue, in one of Cape Cod's most coveted enclaves. Surrounded by lush, professionally landscaped gardens, the residence is a contemporary interpretation of classic shingle-style architecture, thoughtfully designed by the acclaimed firm PSD. The home's open floor plan seamlessly integrates refined formal spaces with relaxed gathering areas—perfect for both sophisticated entertaining and fun family events. Inside, bespoke millwork, soaring ceilings, and dramatic architectural details define the living spaces, while expansive walls of glass frame breathtaking vistas of sky and sea. Each room is a celebration of light, luxury, and craftsmanship! A charming two bedroom two bathroom guest house, with its own deck and water views, provides the perfect retreat for visiting friends or family. This is a fabulous opportunity to own a gracious Osterville estate and turn dreams into reality!
- Directions to Property
- From Wianno Ave South continue to the end of Wianno Avenue and take a right on Sea View Avenue past the Wianno Club, 391 Sea View Avenue is on your left.
Street Description
- Paved
- Yes
- Public
- Yes
Special Listing Cond
- None
- Yes
Location Description
- South of Route 28
- Yes
Lot Features
- Marsh
- Yes
- Views
- Yes
Year Built Desc
- Approximate
- Yes
Basement Description
- Partial
- Yes
Parking Features
- Driveway
- Yes
- Guest
- Yes
- Other
- Yes
Waterview Direction
- South
- Yes
- West
- Yes
Architectural Style
- Contemporary
- Yes
- Shingle
- Yes
Garage Description
- Attached
- Yes
- Direct Access
- Yes
- Storage
- Yes
- Under
- Yes
Foundation Details
- Crawl Space
- Yes
- Poured
- Yes
Floors
- Hardwood
- Yes
- Tile
- Yes
Separate Living Qtrs
- Basement
- Yes
- Detached
- Yes
- First Floor
- Yes
Roof Description
- Pitched
- Yes
- Shingle
- Yes
- Wood
- Yes
Siding Description
- Shingle
- Yes
Heating
- Other
- Yes
Bedroom 2
- Closet
- Yes
- Private Full Bath
- Yes
- Walk-in Closet
- Yes
Cooling
- Central Air
- Yes
Fuel Type
- Natural Gas
- Yes
Water
- Public
- Yes
Hot Water
- Water Heater
- Yes
Hot Water Source
- Natural Gas
- Yes
Kitchen/Dining Combo
- No
- Yes
Exterior Features
- Garden
- Yes
- Private Yard
- Yes
- Underground Sprinkler System
- Yes
Appliances
- Dishwasher
- Yes
- Freezer
- Yes
- Gas Dryer
- Yes
- Gas Range
- Yes
- Range Hood
- Yes
- Refrigerator
- Yes
- Security System
- Yes
- Washer
- Yes
- Wine Cooler
- Yes
Interior Features
- Elevator
- Yes
- Linen Closet
- Yes
- Pantry
- Yes
- Recessed Lighting
- Yes
- Sound System
- Yes
- Walk-In Closet(s)
- Yes
- Wet Bar
- Yes
Patio And Porch Features
- Patio
- Yes
- Screened Porch
- Yes
Property Features
Street Description:
Paved; Public
Location Description:
South of Route 28
Special Listing Cond:
None
Architectural Style:
Contemporary; Shingle
Year Built Desc:
Approximate
Basement Description:
Partial
Foundation Details:
Crawl Space; Poured
Lot Features:
Marsh
Garage Description:
Attached; Direct Access; Storage; Under
Parking Features:
Driveway; Guest; Other
Separate Living Qtrs:
Basement; Detached; First Floor
Convenient To:
Conservation Area; Golf Course; House of Worship; Major Highway; Marina; Medical Facility; School; Shopping
Waterview Direction:
South; West
Primary Bedroom:
Primary Bedroom; Built-Ins; Cathedral Ceiling; Closet; Dressing Room; Office/Sitting Area; Private Full Bath; View; Walk-in Closet
Bedroom 2:
Closet; Private Full Bath; Walk-in Closet
Living Room:
Living Room; Built-Ins; Recessed Lighting; View; Wet Bar
Dining Room:
Dining Room; Built-Ins; View
Kitchen:
Kitchen; Bay/Bow Windows; Breakfast Nook; Cathedral Ceiling; Eat-in Kitchen; Kitchen Island; Private Full Bath; View
Appliances:
Dishwasher; Freezer; Gas Dryer; Gas Range; Range Hood; Refrigerator; Security System; Washer; Wine Cooler
Floors:
Hardwood; Tile
Interior Features:
Elevator; Linen Closet; Pantry; Recessed Lighting; Sound System; Walk-In Closet(s); Wet Bar
Patio And Porch Features:
Patio; Screened Porch
Exterior Features:
Garden; Private Yard; Underground Sprinkler System
Roof Description:
Pitched; Shingle; Wood
Siding Description:
Shingle
Heating:
Other
Cooling:
Central Air
Fuel Type:
Natural Gas
Water:
Public
Hot Water:
Water Heater
Hot Water Source:
Natural Gas
Documents
Listing Office:
Sotheby's International Realty
Listing Agent:
Gene Orloff
Last Updated: December - 16 - 2025
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, Inc. Detailed information about real estate listings held by brokerage firms other than CC&I Assoc. of REALTORS, Inc include the name of the listing company. Neither the listing company nor CC&I Assoc. of REALTORS, Inc 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. This site was last updated 02/14/2017. All properties are subject to prior sale, changes, or withdrawal. Copyright 2020© Cape Cod & Islands Multiple Listing Service, Inc. All rights reserved

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