Active
46 Days on market
145 Popponesset Island Rd Mashpee — Photo 1 of 42

145 Popponesset Island Rd Mashpee — Photo 1 of 42

Recent Drop: $246,000

$4,995,000
$4,749,000

$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

This Property
Size (SqFt) →Price →
This Property$1726/sqft
Local Avg (Mashpee)$667/sqft
159% AboveMarket Average

* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Mashpee, MA.

Property Details

Financials

Original Price$4,995,000
Annual Taxes$17,001

Parking

Garage1
Off-Street6

Interior Specifications

Total Rooms8
Fireplaces2
FlooringWood, Tile, Flooring - Hardwood
BasementCrawl Space

Climate & Utilities

HeatingForced Air, Natural Gas, Fireplace(s)
CoolingCentral Air
WaterPublic
SewerInspection Required for Sale

Building & Exterior

ConstructionFrame
RoofShingle
FoundationBlock
ZoningR3

Property & Lot

Acres0.3
SqFt Lot13,000
Lot FeaturesFlood Plain, Level, Other

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

Second
Living RoomDining RoomKitchenPrimary BedroomBedroom 2
First
OfficeFamily RoomBedroom 3
Living Room
Lvl Second

Cathedral Ceiling(s), Flooring - Hardwood, Recessed Lighting

Dining Room
Lvl Second

Cathedral Ceiling(s), Flooring - Hardwood, Recessed Lighting, Slider

Kitchen
Lvl Second

Cathedral Ceiling(s), Flooring - Hardwood, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Breakfast Bar / Nook

Office
Lvl First

Flooring - Hardwood

Family Room
Lvl First

Flooring - Hardwood, Wet Bar

Primary Bedroom
Lvl Second

Bathroom - Full, Cathedral Ceiling(s), Walk-In Closet(s), Flooring - Hardwood, Recessed Lighting

Bedroom 2
Lvl Second
Bedroom 3
Lvl First

Closet, Flooring - Hardwood

Property History

Price Drop
$4,749,000

Was $4,995,000

Sep 17, 2026

MLS® 73566298

Listed
$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 Provided By

Listing Agent: Dorothy Oosterman

Listing Office: New Seabury Sotheby's International Realty

MLS® Number: 73566298