For sale

$8,500,000

46 Great Bay Rd, Barnstable, MA 02630

3beds

4,831sqft

Est.:

Single Family Residence

Built in 1946

0.78 Acres Lot

$-- Zestimate^®

$1,759/sqft

$-- HOA

What's special

Nestled along the sparkling shores of North Bay in the heart of Osterville, this exceptional Waterfront Estate delivers timeless beauty and relaxed elegance. Wake each morning to sweeping water views and ocean breezes, step onto your boat from the Substantial Dock. Featuring a Primary Suite and Guest Suite both on the 1st Floor, the residence is thoughtfully designed to blend coastal charm with modern comfort, with sun-filled living spaces, expansive windows, and seamless indoor-outdoor flow perfect for entertaining or quiet seaside relaxation. Waterfront Chef's Kitchen with Cathedral Ceiling, Living Rooms, Dens, separate living quarters complete with a Kitchen over the 3-Bay Garage. Step outside to your private waterfront oasis, where launching a kayak at sunrise, enjoying afternoon boating on North Bay, or taking sunset walks with the dog, every day feels like a vacation. Located just moments from Osterville Village's boutiques, restaurants, and marinas, this rare offering combines

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Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 3
Bathrooms: 6
Full bathrooms: 4
1/2 bathrooms: 2

Primary bedroom

Level: First

Bedroom 2

Level: First

Bedroom 3

Level: Second

Dining room

Level: First

Kitchen

Level: First

Living room

Level: First

Heating

Baseboard, Oil

Cooling

Central Air, 3 or More

Appliances

Included: Electric Water Heater
Laundry: First Floor, Washer Hookup

Features

Flooring: Wood, Tile
Has basement: No
Number of fireplaces: 1

Interior area

Total structure area: 4,831
Total interior livable area: 4,831 sqft
Finished area above ground: 4,831

Property

Parking

Total spaces: 7
Parking features: Attached, Heated Garage, Off Street, Driveway, Stone/Gravel
Attached garage spaces: 3
Uncovered spaces: 4

Features

Patio & porch: Patio
Exterior features: Patio, Rain Gutters, Storage, Sprinkler System, Outdoor Shower, Stone Wall
Has view: Yes
View description: Scenic View(s), Water, Bay, Dock/Mooring, Private Water View
Has water view: Yes
Water view: Bay,Dock/Mooring,Private,Water
Waterfront features: Waterfront, Navigable Water, Bay, Dock/Mooring, Deep Water Access, Private, Bay, 0 to 1/10 Mile To Beach, Beach Ownership(Private)

Lot

Size: 0.78 Acres
Features: Level

Details

Parcel number: M:093 L:014,2231583
Zoning: RF

Construction

Type & style

Home type: SingleFamily
Architectural style: Cape
Property subtype: Single Family Residence

Materials

Frame
Foundation: Concrete Perimeter
Roof: Wood

Condition

Year built: 1946

Utilities & green energy

Electric: Generator Connection
Sewer: Private Sewer
Water: Public
Utilities for property: for Electric Range, Washer Hookup, Generator Connection

Community & HOA

HOA

Has HOA: No

Location

Region: Barnstable

Financial & listing details

Price per square foot: $1,759/sqft
Tax assessed value: $7,063,900
Annual tax amount: $57,147
Date on market: 5/19/2026
Exclusions: Dining Room Chandelier Is Excluded From The Sale.

Estimated market value

Not available

Estimated sales range

Not available

Price history

Date	Event	Price
5/19/2026	Listed for sale	$8,500,000$1,759/sqft
Source: MLS PIN #73520995 Report a problem

Public tax history

Tax history is unavailable.

Monthly payment

Est. payment

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All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.

HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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