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Listing courtesy of NWMLS / Realogics Sotheby's Int'l Rlty

343 Keystone Avenue

Coupeville, WA 98239

2 beds
3 baths
2,002 sqft
9,433 sqft lot
$1,592 per sqft
2022 build

Exquisite coastal masterpiece blends cutting-edge design with the ultimate in waterfront luxury. Nestled at the water's edge and framed by optional dual 20-foot firewalls, the home showcases natural stone, custom steel fabrication, and expansive Nano doors that open for seamless indoor-outdoor living. The State-of-the-Art kitchen offers sleek Italian steel cabinetry, marble countertops, and a wall that opens to ab outdoor bar-perfect for entertaining. Rough-cut interior stone walls add depth and texture, while mood-enhancing LED-lit soffits illuminate the home at night as shipping lanes and sunsets unfold before you. The primary suite opens fully to the expansive patio, and the spa bath stuns with floor to ceiling marble and glass closets.

Listing courtesy of NWMLS / Realogics Sotheby's Int'l Rlty

Last checked: Checking… • Last updated Jun 15, 2025 •

MLS# 2392614 —

The Building

Year Built:

2022
New Construction:

true
New Construction:

Completed
Builder Name:

J&S
Estimated Completion Date:

2025-06-01
Building Information:

Built On Lot
Structure Type:

House
Roof:

Metal
Entry Location:

Main
Foundation Details:

Poured Concrete
Basement:

None
Security Features:

Security System
Exterior Features:

Stone
Levels:

One
Building Area Total:

2002
Building Area Units:

Square Feet
Calculated SqFt:

2002
SqFt Source:

Blueprints
Construction Materials:

Stone
Direction Faces:

West

Interior

Interior Features:

Bath Off Primary, Ceramic Tile, Double Pane/Storm Window, Fireplace, Fireplace (Primary Bedroom), French Doors, Security System, Water Heater
Living Area:

2002
Flooring:

Ceramic Tile, Stone
Fireplace:

true
Fireplaces Total:

2
Fireplace Features:

Electric, Gas
Main Level Fireplace:

2
Finished SqFt:

2002

Financial & Terms

Possession:

Closing

Location

Latitude:

48.163838
Longitude:

-122.634408
Directions:

From ferry, take Hwy 525 to left on Wannamaker to left on Keystone Ave to sign on right. From Hwy 20 heading South, take a right on Wannamaker to left on Keystone Ave to sign on right.

The Property

Property Type:

Residential
Property Subtype:

Single Family Residence
Property Condition:

Very Good
Parcel Number:

S830000010100
Lot Features:

Paved
Lot Size Units:

Square Feet
Lot Size Dimensions:

60 x 120 x 60 x 120
Lot Size Acres:

0.2166
Lot Size SqFt:

9433
Lot Size Source:

Blueprints
Zoning Jurisdiction:

City
Land Lease:

false
View:

Mountain(s), Ocean, Sea, Sound, Strait
View:

true
Waterfront:

true
Waterfront Footage:

60
Topography:

Level
Waterfront Features:

No Bank, Saltwater, Sea, Sound, Strait
Water Access:

Beach Rights,Community Waterfront/Pvt Beach
Irrigation Water Rights:

false

Listing Agent

Contact info:

Taxes

Tax Year:

2025
Tax Annual Amount:

8060

Beds

Bedrooms Total:

2
Bedrooms Possible:

2
Main Level Bedrooms:

2

Baths

Total Baths:

3
Baths:

2.25
Full Baths:

1
Three Quarter Baths:

1
Half Baths:

1
Main Full Baths:

1
Main Level Bathrooms:

3
Main level Three Quarter Bath:

1
Main Half Baths:

1
# of Bathtubs:

1

The Listing

Special Listing Conditions:

None

Heating & Cooling

Cooling:

true
Heating:

true
Cooling:

Central A/C, Heat Pump, HEPA Air Filtration, Radiant
Heating:

Heat Pump, Radiant

Utilities

Water Company:

Admiral's Cove Water District
Water Heater Location:

Mechanics Room
Water Heater Type:

Gas
Water Source:

Community
Sewer:

Septic Tank
Sewer Company:

Septic
Power Company:

Pse
Cable Connected:

Astound

Appliances

Appliances:

Dishwasher(s), Disposal, Double Oven, Dryer(s), Microwave(s), Refrigerator(s), See Remarks, Stove(s)/Range(s), Washer(s)
Appliances Included:

Dishwasher(s),Double Oven,Dryer(s),Garbage Disposal,Microwave(s),Refrigerator(s),See Remarks,Stove(s)/Range(s),Washer(s)

Schools

Elementary School:

Coupeville Elem
Middle Or Junior School:

Coupeville Mid
High School:

Coupeville High
High School District:

Coupeville

The Community

Subdivision Name:

Coupeville
Community Features:

Boat Launch, Club House, Playground
Senior Community:

false
Association:

false

Parking

Parking Total:

1
Parking Features:

Attached Garage
Open Parking:

false
Garage:

true
Garage Spaces:

1
Attached Garage:

true
Garage SqFt:

400
Carport:

false
Covered Spaces:

1

Listing courtesy of NWMLS / Realogics Sotheby's Int'l Rlty

This "Three Trees" icon indicates a listing provided courtesy of NWMLS. Based on information submitted to the MLS GRID as of Sun Jun 15 2025 10:40 AM. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. To submit a request for a takedown notice per the Digital Millennium Copyright Act (the “DMCA”) for any NWMLS listings please see these guidelines and follow the instructions provided.

Monthly cost estimate

Asking price

$3,188,000

Expense	Monthly cost
Mortgage	$17,070
Taxes	$671
Insurance	$876
Utilities	$120 See report
Total	$18,737/mo.^*
	^*This is an estimate

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Sale history

Date	Event	Source	Price	% Change
6/13/25 Jun 13, 2025	Listed / Active	NWMLS	$3,188,000	824.1% (183.4% / YR)
12/16/20 Dec 16, 2020		NWMLS	$345,000

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This house located in WA 98239 is currently for sale for $3,188,000. 343 Keystone Avenue is a 2,002 square foot house with 2 beds and 3 baths. This house is in the attendance area of Coupeville Elementary School, Sland Juvenile Detention Education Program, Coupeville Middle School, and Coupeville High School.

Listing courtesy of NWMLS / Realogics Sotheby's Int'l Rlty

Disclaimer: The information contained in this listing has not been verified by Realogics Sotheby's Int'l Rlty and should be verified by the buyer.