
145 Popponesset Island Rd Mashpee — Photo 1 of 42
Recent Drop: $246,000
$4,749,000
145 Popponesset Island Rd, Mashpee, MA 02649
Mashpee, MA 02649 — New Seabury
Beds
3
Baths
3
SqFt
2,752
Style
Single Family
Built
1969
Waterfront home with Deep-Water dock on Popponessett Island, within our New Seabury Resort! Rare opportunity to own an exceptional contemporary with sweeping views of Nantucket Sound & Popponesset Creek. Thoughtfully designed to showcase this spectacular setting, the sun-filled open floor plan features a dramatic floor-to-ceiling wall of glass that frames the breathtaking water views. The large kitchen flows seamlessly into the living room w/a wood-burning FP. The dining area with multiple sliders opens to a spacious deck perfect for outdoor dining, entertaining or taking in the ever-changing scenery. In addition, there is a primary bedroom w/private bath, plus a bedroom and bath. The lower level features a bedroom, bath, den & home office offering flexible living space for family and guests. The generous family room with a bar area has direct access to a waterfront patio and a lush lawn ideal for all your summer gatherings. This home is located at the end of a quiet cul-de-sac surrounded by water. Enjoy easy access to a sandy ocean beach on Nantucket Sound, spend the day boating to Martha's Vineyard, kayaking or simply relax taking in the cool summer breezes & endless water views.
Key facts
It was listed on August 20, 2026. The price has come down from an original $4,995,000 to $4,749,000, most recently on September 17, 2026. The annual property taxes are $17,001 (2026 tax year). It sits on a 0.3-acre (13,000 sq ft) lot.
Market Value Analysis
* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Mashpee, MA.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Water Heater • Range • Oven • Dishwasher • Microwave • Refrigerator • Washer • Dryer
Neighborhood
Shopping • Golf • Medical Facility • House of Worship • Marina • Public School
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl SecondCathedral Ceiling(s), Flooring - Hardwood, Recessed Lighting
Dining Room
Lvl SecondCathedral Ceiling(s), Flooring - Hardwood, Recessed Lighting, Slider
Kitchen
Lvl SecondCathedral Ceiling(s), Flooring - Hardwood, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Breakfast Bar / Nook
Office
Lvl FirstFlooring - Hardwood
Family Room
Lvl FirstFlooring - Hardwood, Wet Bar
Primary Bedroom
Lvl SecondBathroom - Full, Cathedral Ceiling(s), Walk-In Closet(s), Flooring - Hardwood, Recessed Lighting
Bedroom 2
Lvl SecondBedroom 3
Lvl FirstCloset, Flooring - Hardwood
Property History
$4,749,000
Was $4,995,000
Sep 17, 2026
MLS® 73566298
$4,995,000
Aug 20, 2026
MLS® 73566298
Questions about this home
When was 145 Popponesset Island Rd, Mashpee listed?
145 Popponesset Island Rd, Mashpee was listed on August 20, 2026.
Has the price of 145 Popponesset Island Rd, Mashpee changed?
The price has come down from an original $4,995,000 to $4,749,000, most recently on September 17, 2026.
What are the property taxes for 145 Popponesset Island Rd, Mashpee?
The annual property taxes for 145 Popponesset Island Rd, Mashpee are $17,001 (2026 tax year).
How big is the lot at 145 Popponesset Island Rd, Mashpee?
145 Popponesset Island Rd, Mashpee sits on a 0.3-acre (13,000 sq ft) lot.
What is the status of 145 Popponesset Island Rd, Mashpee?
145 Popponesset Island Rd, Mashpee is actively listed for sale.
Population
15,384
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$95K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
Renter-Occupied Homes
18.1%
U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)
New Construction Permits — Barnstable County
505 housing units permitted in the last 12 months (-51% vs the prior 12 months) — 123 in 5+ unit buildings
U.S. Census Bureau, Building Permits Survey (through Jul '26)
ADU Potential
Massachusetts allows one accessory dwelling unit by right in single-family zoning districts statewide (M.G.L. c. 40A §3; 760 CMR 71.00, effective Feb 2025). Estimated maximum ADU size for this property: 900 sq ft (the lesser of 900 sq ft or half the 2,752 sq ft principal dwelling). Lot size: 13,000 sq ft.
Based on listing data, which indicates the property type — not the zoning district. Local dimensional, septic (Title 5), and historic-district requirements still apply. Not legal advice — verify with the municipality.
Listing Agent: Dorothy Oosterman
Listing Office: New Seabury Sotheby's International Realty
MLS® Number: 73566298









