Privately sited within the prestigious Oyster Harbors golf enclave, this extraordinary estate is a masterclass in architectural sophistication and resort-style living. Encompassing a 10,000-square-foot main residence, a stunning two-bedroom guest house, and a spa-inspired pool area, the property offers a rare blend of timeless elegance and contemporary luxury. A gracious covered front porch welcomes you into a dramatic foyer, setting the tone for the refined interiors that follow. The main living spaces unfold in a thoughtfully designed layout that flows from formal living and family rooms to an elegant dining area with each space inviting connection, comfort, and celebration. At the heart of the home, the chef’s kitchen is both striking and functional, anchored by dual oversized islands clad in premium granite, and accompanied by a fireside sitting room that beckons lingering conversation. Adjacent, the spectacular sunroom redefines indoor-outdoor living with a custom crafted bar and casual seating area at one end and a full second kitchen with custom built-in grill and dining area at the other, all enclosed by retractable screens for effortless seasonal enjoyment. Tucked away on the main level, the primary suite offers a private sanctuary, with its own fireplace, luxurious spa-like bath, and refined home office. The comfort and sophistication continue on the second level with four generously proportioned en-suite bedrooms and an inviting sitting room. Designed for comfort and connection, the finished lower level offers a wine cellar, media room, game room, and fitness space. This lavish interior flows effortlessly to an equally impressive exterior, where lush landscaping surrounds a resort-style pool framed by expansive lounging areas-perfect for everything from quiet afternoons to grand entertaining. Completing this offering is a beautiful two-bedroom guest house providing privacy and comfort for visiting guests. Set within a prestigious gated enclave with coveted beach and dock rights, this remarkable estate is the perfect fusion of architectural sophistication and everyday warmth – an extraordinary offering in one of Cape Cod’s most prestigious settings. The information contained herein has been obtained through sources deemed reliable but cannot be guaranteed as to its accuracy. Buyers are encouraged to do their own due diligence through independent verification.
Property Details
Price:
$7,750,000
MLS #:
22502682
Status:
Active
Beds:
7
Baths:
10
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Oyster Harbors
Neighborhood:
barnstable
Listed Date:
Jun 2, 2025
Finished Sq Ft:
11,546
Total Sq Ft:
11,546
Lot Size:
47,916 sqft / 1.10 acres (approx)
Year Built:
2013
GolfBarnstableBarnstableOyster Harbors
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Schools
Interior
Appliances
Countertop Range, Dishwasher, Indoor Grill, Microwave, Refrigerator, Range Hood, Wall/Oven Cook Top, Washer, Wine Cooler, Water Heater
Bathrooms
9 Full Bathrooms, 2 Half Bathrooms
Cooling
Central Air
Fireplaces Total
6
Flooring
Wood, Tile, Carpet
Heating
Oil, Propane
Interior Features
Linen Closet, Pantry, Recessed Lighting, Walk-In Closet(s), Wet Bar, Kitchen Island, Breakfast Bar
Laundry Features
Electric Dryer, Electric Dryer Hookup, Washer Hookup
Exterior
Association Amenities
Road Maintenance, Security, Beach Access, Boat Dock, Golf Course
Attached Garage YN
1
Construction Materials
Shingle Siding
Garage Spaces
3
Lot Features
Fenced/Enclosed, Interior Lot, Cleared, Level
Other Structures
Guest House
Parking Features
Direct Access, Garage Door Opener, Off Street
Parking Spots
6
Parking Total
6
Patio And Porch Features
Deck, Patio, Porch
Roof
Shingle
Security Features
Security System
Stories
2
Financial
HOA Fee
$4,620
HOA Fee Frequency
Annually
Tax Year
2026
Taxes
$59,471
Map
Community
- Address440 Grand Island Drive Osterville MA
- SubdivisionOyster Harbors
- CityOsterville
- CountyBarnstable
- Zip Code02655
Market Summary
Current real estate data for Single Family in Osterville as of Jul 15, 2026
33
Single Family Listed
116
Avg DOM
916
Avg $ / SqFt
$3,878,948
Avg List Price
Property Summary
- Located in the Oyster Harbors subdivision, 440 Grand Island Drive Osterville MA is a Single Family for sale in Osterville, MA, 02655. It is listed for $7,750,000 and features 7 beds, 10 baths, and has approximately 11,546 square feet of living space, and was originally constructed in 2013. The current price per square foot is $671. The average price per square foot for Single Family listings in Osterville is $916. The average listing price for Single Family in Osterville is $3,878,948. To schedule a showing of MLS#22502682 at 440 Grand Island Drive in Osterville, MA, contact your Gibson Sotheby’s Int’l Realty agent at 5084327856.
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