Rockhood
$7,499,988List price
6 bed · 4.5 bath · 5,163 sq ft
Active

18 Holly Lane · Mercer Island, WA 98040

Source: NWMLS · Windermere Real Estate/East · Scott Richards #NWM2522070

About this home

Cruise home to a legacy estate on Mercer Island’s coveted Gold Coast—137± ft of private, no-bank Lake Washington frontage on the island’s prized west shore. Designed in 1974 for effortless entertaining, this custom five bedroom residence spans nearly 5,200± sf, centered around an updated kitchen that flows seamlessly to expansive indoor/outdoor gathering spaces. The primary suite enjoys tranquil views of Lake Washington, Seward Park, the Seattle skyline & Olympic Mtns, w/ private deck, two walk-in closets & luxe five piece bath. Upstairs offers two additional west-facing bedrooms & large bonus/media room. Panoramic sunsets linger to nearly 10pm—simply the pinnacle of MI waterfront living.

Location

Basics

Property type
Single Family Residence
Style
2 Story
Stories
2 stories
Year built
1974
Lot size
25,134 sq ft (0.58 acres)
County
King
MLS #
NWM2522070

Interior

Heating
Forced Air, Heat Pump
Cooling
Heat Pump
Flooring
Hardwood, Travertine, Carpet
Appliances
Dishwasher, Disposal, Double Oven, Dryer, Microwave, Refrigerator, Washer
Fireplace
3 · Wood Burning
Interior features
Bath Off Primary, Built-In Vacuum, Dbl Pane/Storm Window, Dining Room, Fireplace, Fireplace (Primary Bedroom), French Doors, Hot Tub/Spa, Jetted Tub, Pantry, Security System, Skylight(s), Sprinkler System, Vaulted Ceiling(s), Walk-In Closet(s), Wired for Generator
Entry level
Main

Exterior & lot

Exterior features
Wood
Roof
Shake
Foundation
Poured Concrete
Lot features
Dead End Street, Paved
Topography
Level
View
City, Lake
Waterfront
Yes

Parking

Parking spaces
2
Garage
Yes (attached)
Covered spaces
2
Parking features
Attached Garage

Utilities

Water
Public
Sewer
Sewer Connected
Power
Electric

Community & fees

Subdivision
Westside
Property tax
$68,893 (2025)

Transaction

Original list price
$7,999,880 (6.2% price cut)
Listed on
May 12, 2026
Days on market
201
Price per sq ft
$1,453
Listing terms
Cash, Conventional
Possession
Negotiable

More homes nearby

Schools

School district: Mercer Island

Elementary
West Mercer Elem
Middle
Islander Mid
High
Mercer Island High School
SchoolDigger 5 stars · Top 1% in WA

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Listing provided courtesy of: Windermere Real Estate/East

Listing agent: Scott Richards.

Based on information submitted to the MLS GRID as of . 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. IDX information provided exclusively for consumers' personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.

Data last updated 2026-09-15.