For sale

$9,995,000

56R Madequecham Valley Rd, Nantucket, MA 02554

4beds

3,367sqft

Est.:

Single Family Residence

Built in 1999

1.73 Acres Lot

$9,532,500 Zestimate^®

$2,969/sqft

$-- HOA

What's special

Completely reimagined, this modern oceanfront retreat blends state-of-the-art design with uncompromising quality. Positioned on the south shore, the three bedroom, three-and-a-half-bath main residence showcases walls of glass, seamless indoor-outdoor connections, and sweeping water vistas from nearly every room. Every detail reflects the highest level of quality and care, with finishes chosen for both sophistication and durability. A secondary dwelling offers a two-car garage with a full studio apartment above, complete with a kitchenette, sleeping area, bath, and private deck. Set on a private stretch of shoreline with stairs leading directly to the beach, the grounds are designed for effortless coastal living, featuring an in-ground pool, hot tub, and gas firepit, all framed by the dramatic backdrop of the ocean.

105 days

2,561

134

Tour with a local agent

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 4
Bathrooms: 5
Full bathrooms: 4
1/2 bathrooms: 1
Main level bedrooms: 2

Heating

GFHA

Appliances

Included: Stove: W, Washer: LG

Features

A, AC, Ins, Irr, OSh, Floor 1: The heart of the home is a chef’s kitchen with cathedral ceilings, an oversized island with a striking waterfall edge, and top-tier appliances including a Sub-Zero refrigerator, Wolf cooktop, Wolf double oven, steam oven, built-in Miele coffee machine, and two dishwashers. Designed with entertaining in mind, the space flows seamlessly into a dining area framed by a picture window overlooking the ocean. The adjacent living room offers a gas fireplace, wet bar, glass-encased wine storage, and a wine fridge, while a nano door opens to a covered, heated porch—creating the perfect setting to host gatherings or simply savor the salty sea breeze year-round. The first floor also includes two en-suite bedrooms, one with direct outdoor access, a private outdoor shower, and water views. A second guest suite with a full bath ensures comfort and privacy for family and friends., Floor 2: The second floor is dedicated to the primary suite, a private retreat with a king bedroom, spa-inspired bath featuring an oversized shower, and a soaking tub oriented toward sweeping ocean views. Sliding doors extend the living space to a private deck with breathtaking vistas, while thoughtful touches—including a dedicated washer and dryer and a beverage refrigerator—add comfort and convenience.
Flooring: Tile
Has fireplace: No
Fireplace features: Gas

Interior area

Total structure area: 3,367
Total interior livable area: 3,367 sqft

Property

Parking

Parking features: Yes
Has garage: Yes

Features

Exterior features: Deck, H/Tub, P/Pool, Patio, Porch
Has view: Yes
View description: Ocean
Has water view: Yes
Water view: Ocean
Frontage type: Oceanfront

Lot

Size: 1.73 Acres
Features: Yes

Details

Parcel number: 65
Zoning: LUG3

Construction

Type & style

Home type: SingleFamily
Property subtype: Single Family Residence

Materials

Foundation: Block

Condition

Year built: 1999
Major remodel year: 2025

Utilities & green energy

Sewer: Septic Tank
Water: Town
Utilities for property: Cbl

Community & HOA

Location

Region: Nantucket

Financial & listing details

Price per square foot: $2,969/sqft
Tax assessed value: $3,581,080
Annual tax amount: $11,746
Date on market: 9/26/2025
Listing agreement: E

Estimated market value

$9,532,500

$9.06M - $10.01M

$4,836/mo

Price history

Date	Event	Price
4/2/2026	Listed for sale	$9,995,000$2,969/sqft
Source: LINK #92652 Report a problem
12/30/2025	Listing removed	$9,995,000$2,969/sqft
Source: LINK #92652 Report a problem
9/26/2025	Listed for sale	$9,995,000+185.6%$2,969/sqft
Source: LINK #92652 Report a problem
11/30/2022	Sold	$3,500,000-18.6%$1,040/sqft
Source: LINK #88911 Report a problem
9/19/2022	Pending sale	$4,300,000$1,277/sqft
Source: LINK #88911 Report a problem
7/12/2022	Price change	$4,300,000-11.3%$1,277/sqft
Source: LINK #88911 Report a problem
5/20/2022	Price change	$4,850,000-10.2%$1,440/sqft
Source: LINK #88911 Report a problem
1/18/2022	Listed for sale	$5,400,000$1,604/sqft
Source: LINK #88911 Report a problem
12/23/2021	Listing removed	$5,400,000$1,604/sqft
Source: LINK #88911 Report a problem
11/24/2021	Price change	$5,400,000+27.1%$1,604/sqft
Source: LINK #88911 Report a problem
10/20/2021	Listed for sale	$4,250,000$1,262/sqft
Source: LINK #88911 Report a problem
10/15/2021	Listing removed	$4,250,000$1,262/sqft
Source: LINK #88703 Report a problem
8/14/2021	Listed for sale	$4,250,000+112.5%$1,262/sqft
Source: Listing Information Network, Inc. Nantucket #88703 Report a problem
1/4/2008	Sold	$2,000,000+1042.9%$594/sqft
Source: LINK #66061 Report a problem
1/5/1999	Sold	$175,000$52/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$11,746 +7.6%	$3,581,080 +2.7%
2024	$10,915 +6.3%	$3,487,180 +9%
2023	$10,268 +6.3%	$3,198,900 +23.8%
2022	$9,663 +0.2%	$2,583,700 -2.7%
2021	$9,643 +10.2%	$2,656,400 +4.8%
2020	$8,747 +7.4%	$2,535,300 +4.6%
2019	$8,146 -2.8%	$2,424,300 +2.1%
2018	$8,382 +12.3%	$2,374,600 +7.8%
2017	$7,466 +19.5%	$2,202,300 +18.4%
2016	$6,249 +2%	$1,859,900 +9.6%
2015	$6,127 -0.2%	$1,697,100 +4%
2014	$6,137 +2.4%	$1,632,300
2013	$5,991 +33.8%	$1,632,300 +32%
2012	$4,476 +1.1%	$1,236,500
2011	$4,427 -38.6%	$1,236,500 -48.4%
2010	$7,213 +15.1%	$2,396,300 +5.5%
2009	$6,269 +3.4%	$2,271,200
2008	$6,064	$2,271,200