Waterfront Property Search · Mercer Island, WA
Mercer Island waterfront homes.
Waterfront homes in Mercer Island are among the most complex real estate transactions — water rights, bulkhead condition, flood zone classification, and dock permitting all require specialist knowledge. RexMont's agents have represented buyers and sellers across the region's lakes, rivers, and Puget Sound shoreline.
Market context
What buyers and sellers should know.
Mercer Island waterfront inventory is permanently constrained. The best properties — deep water, stable bulkheads, south or west exposure, and legal dock structures — rarely come to market and typically sell quickly when they do.
Mercer Island homes are currently priced around $2.6M median (roughly $794/sqft), with an average of 22 days on market. The area is served by the Mercer Island School District, and top local employers include Seattle & Bellevue professional sector, tech industry remote, and healthcare. Primary commute corridors connect to Mercer Island Link Light Rail Station and I-90 to Seattle or Bellevue (~10 min).
RexMont Real Estate is Seattle and the Eastside's most-reviewed brokerage — 1,235+ five-star Google reviews and over $1 billion in closed transactions across 1,200+ deals.
Before you buy
What to know about waterfront homes in Mercer Island.
Bulkhead condition and repair costs
Bulkheads (the retaining structures along the waterline) deteriorate over time and are expensive to repair or replace — $50,000–$300,000+ depending on linear footage and construction type. Always commission a bulkhead inspection by a marine engineer.
Dock permitting and water rights
Not all waterfront properties have permitted dock structures. Confirm dock permits, any Washington Department of Fish and Wildlife restrictions, and whether the dock is in a no-wake or no-motor zone.
Flood zone designation
FEMA flood zone classification affects insurance costs significantly. Properties in high-risk zones (Zone A or AE) require federally mandated flood insurance, which can add $3,000–$10,000+/year to holding costs.
Septic vs. sewer for older waterfront
Many older waterfront properties are on septic systems near the water's edge. King County and other jurisdictions have increasingly strict requirements for septic systems near shorelines. Inspect carefully and budget for potential upgrades.
Shoreline erosion and environmental restrictions
Washington's Shoreline Management Act regulates development within 200 feet of water. Additions, new structures, and even significant landscaping may require permits that can be difficult to obtain.
Tools & insights
Resources for Mercer Island buyers and sellers.
Mortgage calculator
Estimate monthly payments and total interest.
Home value estimate
Get an agent-prepared estimate of your Mercer Islandhome's value.
Cost of buying a home
Closing costs, reserves, and what to have liquid before you start.
All Mercer Island homes
Browse every Mercer Island listing and neighborhood guide.
Live NWMLS data
Active Mercer Island waterfront homes for sale
The latest active NWMLS waterfront homes in Mercer Island, refreshed hourly.
- Median price
- $2.6M
- Median $/sqft
- $794
- Avg days on market
- 22
- Listings for sale
- 85+
ActiveNew today$3,695,000
MLS# 25419269950 Se 39th Street
Mercer Island, WA 98040
4 bd3 ba4,032 sqftListing courtesy of John L. Scott, Inc.
ActiveNew today$1,950,000
MLS# 25428569210 Parkwood Ridge Road
Mercer Island, WA 98040
3 bd2.5 ba2,570 sqftListing courtesy of Coldwell Banker Bain
ActiveNew today$4,399,995
MLS# 25430964024 85th Avenue Se
Mercer Island, WA 98040
5 bd3.5 ba4,474 sqftListing courtesy of COMPASS
ActiveNew today$2,750,000
MLS# 25427497432 E Mercer Wy
Mercer Island, WA 98040
4 bd3.5 ba4,010 sqftListing courtesy of Skyline Properties, Inc.
Active1 day on market$3,599,950
MLS# 25410014526 89th Avenue Se
Mercer Island, WA 98040
5 bd2.5 ba4,021 sqftListing courtesy of COMPASS
Active1 day on market$2,295,000
MLS# 25417837235 87th Avenue Se
Mercer Island, WA 98040
4 bd2 ba2,970 sqftListing courtesy of Redfin
Active1 day on market$1,280,000
MLS# 25413727639 Se 29th Street
Mercer Island, WA 98040
3 bd1.5 ba3,132 sqftListing courtesy of COMPASS
Active3 days on market$3,850,000
MLS# 25404464889 Forest Avenue Se
Mercer Island, WA 98040
5 bd2.5 ba4,910 sqftListing courtesy of COMPASS
Active4 days on market$7,988,800
MLS# 25402866922 96th Avenue Se
Mercer Island, WA 98040
5 bd3 ba4,812 sqftListing courtesy of 360 Pacific
Active1 day on market$3,799,000
MLS# 25361383745 88th Avenue Se
Mercer Island, WA 98040
5 bd4.5 ba4,819 sqftListing courtesy of Realogics Sotheby's Int'l Rlty
ActiveNew today$5,895,000
MLS# 25390775412 96th Avenue Se
Mercer Island, WA 98040
4 bd2 ba4,410 sqftListing courtesy of COMPASS
Active7 days on market$2,290,000
MLS# 25394394807 E Mercer Way
Mercer Island, WA 98040
4 bd1.5 ba2,990 sqftListing courtesy of Skyline Properties, Inc.
Active7 days on market$1,625,000
MLS# 25363476530 W Mercer Way
Mercer Island, WA 98040
3 bd1 ba1,875 sqftListing courtesy of Windermere Real Estate/East
Active1 day on market$5,750,000
MLS# 25354854835 Forest Avenue Se
Mercer Island, WA 98040
3 bd3 ba3,670 sqftListing courtesy of Windermere Mercer Island
ActiveNew today$1,999,500
MLS# 25373323412 79th Avenue Se
Mercer Island, WA 98040
4 bd1 ba2,400 sqftListing courtesy of The Landmark Group
Active3 days on market$18,000
MLS# 25380238243 W Mercer Way
Mercer Island, WA 98040
5 bd4 baListing courtesy of eXp Realty
Active1 day on market$659,000
MLS# 25352612760 76th Avenue Se #407
Mercer Island, WA 98040
2 bd2 baListing courtesy of KW Greater Seattle
Active10 days on market$4,745,000
MLS# 25376003036 67th Avenue Se
Mercer Island, WA 98040
5 bd2.5 ba5,130 sqftListing courtesy of Windermere Real Estate/East
Active3 days on market$19,500,000
MLS# 25371136333 77th Avenue Se
Mercer Island, WA 98040
5 bd2 ba7,858 sqftListing courtesy of Coldwell Banker Bain
Active2 days on market$1,799,000
MLS# 25374093401 79th Avenue Se
Mercer Island, WA 98040
4 bd2 ba2,010 sqftListing courtesy of Coldwell Banker Bain
Active2 days on market$4,199,999
MLS# 25368194725 W Mercer Way
Mercer Island, WA 98040
4 bd2.5 ba4,010 sqftListing courtesy of COMPASS
Active13 days on market$449,950
MLS# 25359942500 81st Avenue Se #351
Mercer Island, WA 98040
2 bd1.5 baListing courtesy of Coldwell Banker Bain
Active1 day on market$2,998,000
MLS# 25355208914 Se 56th Street
Mercer Island, WA 98040
5 bd2 ba4,240 sqftListing courtesy of COMPASS
ActiveNew today$2,280,000
MLS# 25358116560 W Mercer Way
Mercer Island, WA 98040
5 bd1 ba3,212 sqftListing courtesy of COMPASS
Active4 days on market$2,600,000
MLS# 25336527260 W Mercer Way
Mercer Island, WA 98040
4 bd2.5 ba2,970 sqftListing courtesy of Windermere Mercer Island
Active2 days on market$2,695,000
MLS# 25341403424 97th Avenue Se
Mercer Island, WA 98040
4 bd2.5 ba3,414 sqftListing courtesy of Coldwell Banker Bain
Active3 days on market$1,649,000
MLS# 25336434429 E Mercer Way
Mercer Island, WA 98040
4 bd1 ba2,920 sqftListing courtesy of Real Residential
Active2 days on market$1,895,000
MLS# 25324908805 Se 39th Street
Mercer Island, WA 98040
5 bd1 ba2,240 sqftListing courtesy of Coldwell Banker Bain
Active1 day on market$1,625,000
MLS# 25253499712 Se 41st
Mercer Island, WA 98040
3 bd1 ba1,410 sqftListing courtesy of Realogics Sotheby's Int'l Rlty
Active1 day on market$9,950,000
MLS# 2531459Address withheld
Mercer Island, WA 98040
5 bd1.5 ba5,410 sqftListing courtesy of eXp Realty
Active22 days on market$11,988,000
MLS# 25205154014 E Mercer Way
Mercer Island, WA 98040
4 bd3.5 ba4,540 sqftListing courtesy of John L. Scott, Inc
Active10 days on market$2,349,950
MLS# 25293438510 Se 72nd Street
Mercer Island, WA 98040
3 bd1 ba2,810 sqftListing courtesy of Verra Terra
Active3 days on market$3,700,000
MLS# 25292295425 96th Avenue Se
Mercer Island, WA 98040
5 bd2.5 ba4,220 sqftListing courtesy of eXp Realty
Active2 days on market$1,738,000
MLS# 25231385709 80th Avenue Se
Mercer Island, WA 98040
3 bd2 ba1,460 sqftListing courtesy of Windermere Mercer Island
Active30 days on market$11,900,000
MLS# 25216358097 W Mercer Way
Mercer Island, WA 98040
6 bd2.5 ba5,138 sqftListing courtesy of Real Residential
Active4 days on market$5,895,000
MLS# 25257509818 Se 42nd Place
Mercer Island, WA 98040
6 bd1.5 ba6,005 sqftListing courtesy of Windermere Real Estate Midtown
Active15 days on market$3,385,000
MLS# 25216778451 Se 44th Street
Mercer Island, WA 98040
5 bd3.5 ba4,253 sqftListing courtesy of Redfin
Active31 days on market$13,995,000
MLS# 25221844041 W Mercer Way
Mercer Island, WA 98040
4 bd2 ba4,540 sqftListing courtesy of COMPASS
Active3 days on market$7,999,880
MLS# 252207018 Holly Lane
Mercer Island, WA 98040
6 bd2.5 ba5,163 sqftListing courtesy of Windermere Real Estate/East
Active43 days on market$2,099,000
MLS# 25205307204 78th Avenue Se
Mercer Island, WA 98040
4 bd1.5 ba2,260 sqftListing courtesy of John L. Scott, Inc.
Active9 days on market$2,630,000
MLS# 25170536771 81st Avenue Se
Mercer Island, WA 98040
4 bd2.5 ba3,810 sqftListing courtesy of Redfin
Active1 day on market$3,580,000
MLS# 25109488144 W Mercer Way
Mercer Island, WA 98040
4 bd3.5 ba4,362 sqftListing courtesy of We Lakeside
Active23 days on market$3,350,000
MLS# 25139654525 90th Avenue Se
Mercer Island, WA 98040
5 bd4.5 ba3,787 sqftListing courtesy of Windermere Real Estate/East
Active1 day on market$3,298,000
MLS# 25181946219 89th Avenue Se
Mercer Island, WA 98040
5 bd2 ba3,790 sqftListing courtesy of COMPASS
Active3 days on market$3,690,000
MLS# 25161137447 W Mercer Way
Mercer Island, WA 98040
4 bd2.5 ba4,050 sqftListing courtesy of Real Residential
Active3 days on market$3,798,000
MLS# 25166345222 Forest Avenue Se
Mercer Island, WA 98040
5 bd3.5 ba3,851 sqftListing courtesy of Real Residential
Active30 days on market$6,250,000
MLS# 25153237703 W Mercer Way
Mercer Island, WA 98040
4 bd2.5 ba4,361 sqftListing courtesy of John L. Scott, Inc
Active2 days on market$2,099,988
MLS# 25169374290 Shoreclub Drive
Mercer Island, WA 98040
4 bd1 ba2,395 sqftListing courtesy of Windermere Real Estate/East
Active10 days on market$1,950,000
MLS# 25145696700 81st Avenue Se
Mercer Island, WA 98040
4 bd1 ba2,530 sqftListing courtesy of Realogics Sotheby's Int'l Rlty
Active3 days on market$2,250,000
MLS# 25134856418 E Mercer Way
Mercer Island, WA 98040
4 bd2.5 ba2,690 sqftListing courtesy of John L. Scott, Inc.
Active3 days on market$2,999,800
MLS# 25108195601 W Mercer Way
Mercer Island, WA 98040
4 bd3 ba3,670 sqftListing courtesy of John L. Scott, Inc
Active31 days on market$9,100,000
MLS# 25093043840 E Mercer Way
Mercer Island, WA 98040
5 bd2.5 ba6,117 sqftListing courtesy of COMPASS
Active4 days on market$619,900
MLS# 25024617600 Se 29th St #311
Mercer Island, WA 98040
2 bd2 baListing courtesy of Real Broker LLC
Active1 day on market$399,000
MLS# 25074472933 76th Avenue Se #82b
Mercer Island, WA 98040
1 bd1 baListing courtesy of John L. Scott, Inc.
Active31 days on market$19,500,000
MLS# 25028335330 Butterworth Road
Mercer Island, WA 98040
5 bd2.5 ba7,840 sqftListing courtesy of Windermere Real Estate/East
Active1 day on market$295,000
MLS# 25075152939 76th Avenue Se #41b
Mercer Island, WA 98040
0 bd1 baListing courtesy of John L. Scott, Inc.
Active4 days on market$599,000
MLS# 25024247930 Se 34th Street #513
Mercer Island, WA 98040
2 bd1 baListing courtesy of Redfin
Active31 days on market$8,998,000
MLS# 25015084102 100th Avenue Se
Mercer Island, WA 98040
5 bd3.5 ba5,535 sqftListing courtesy of Windermere Real Estate/East
Active1 day on market$4,950,000
MLS# 24989352212 77th Avenue Se
Mercer Island, WA 98040
5 bd4.5 ba5,200 sqftListing courtesy of Windermere Mercer Island
ActiveNew today$2,325,000
MLS# 24999144830 88th Place Se
Mercer Island, WA 98040
5 bd1 ba3,520 sqftListing courtesy of Coldwell Banker Bain
Active10 days on market$3,500,000
MLS# 24956258449 W Mercer Way
Mercer Island, WA 98040
4 bd1.5 ba2,690 sqftListing courtesy of Redfin
Active23 days on market$599,950
MLS# 25018722930 76th Avenue Se #a-203
Mercer Island, WA 98040
2 bd1 baListing courtesy of eXp Realty
Active4 days on market$459,000
MLS# 24991083055 80th Avenue Se #107
Mercer Island, WA 98040
2 bd1 baListing courtesy of Coldwell Banker Bain
Active71 days on market$24,000,000
MLS# 24985148233 W Mercer Way
Mercer Island, WA 98040
6 bd2.5 ba10,030 sqftListing courtesy of Windermere Real Estate/East
Active20 days on market$398,000
MLS# 24957393212 Se 81st #c203
Mercer Island, WA 98040
1 bd1 baListing courtesy of RSVP Brokers ERA
Active33 days on market$1,300,000
MLS# 24927229433 Se 54th Street
Mercer Island, WA 98040
0 bd0 baListing courtesy of eXp Realty
Active4 days on market$825,000
MLS# 248827473 Xx Se 38th Street
Mercer Island, WA 98040
0 bd0 baListing courtesy of Windermere RE/Capitol Hill,Inc
Active1 day on market$370,000
MLS# 24868402500 81st Avenue Se #329
Mercer Island, WA 98040
1 bd1 baListing courtesy of RE/MAX Eastside Brokers, Inc.
Active4 days on market$1,900,000
MLS# 24812118526 E Mercer Way
Mercer Island, WA 98040
3 bd0 ba1,986 sqftListing courtesy of John L. Scott, Inc.
Active31 days on market$12,000,000
MLS# 24783348025 W Mercer Way
Mercer Island, WA 98040
5 bd1 ba3,140 sqftListing courtesy of Realogics Sotheby's Int'l Rlty
Active7 days on market$3,675,000
MLS# 24791157580 Se 71st Street
Mercer Island, WA 98040
5 bd1.5 ba3,610 sqftListing courtesy of Coldwell Banker Bain
Active4 days on market$785,000
MLS# 247586943 Fernbrook Drive
Mercer Island, WA 98040
0 bd0 baListing courtesy of COMPASS
ActiveNew today$4,599,990
MLS# 24676594216 83rd Avenue Se
Mercer Island, WA 98040
5 bd3 ba5,028 sqftListing courtesy of COMPASS
Active4 days on market$999,999
MLS# 24635097820 W Mercer Way
Mercer Island, WA 98040
0 bd0 baListing courtesy of John L Scott Yakima
Active178 days on market$6,800,000
MLS# 24492207220 North Mercer Way
Mercer Island, WA 98040
7 bd8 baListing courtesy of Wonderland Real Estate
Active4 days on market$6,800,000
MLS# 24491527220 N Mercer Way
Mercer Island, WA 98040
0 bd0 baListing courtesy of Wonderland Real Estate
Active8 days on market$15,000
MLS# 24180908428 N Mercer Way
Mercer Island, WA 98040
4 bd2.5 baListing courtesy of Berkshire Hathaway HS NW
Active21 days on market$610,000
MLS# 24078187600 Se 29th St #501
Mercer Island, WA 98040
2 bd2 baListing courtesy of Kelly Right RE of Seattle LLC
Active38 days on market$28,000,000
MLS# 2400769Address withheld
Mercer Island, WA 98040
5 bd3.5 ba8,420 sqftListing courtesy of Realogics Sotheby's Int'l Rlty
Active31 days on market$9,590,000
MLS# 23902518260 Avalon Drive
Mercer Island, WA 98040
5 bd5 ba5,390 sqftListing courtesy of Realogics Sotheby's Int'l Rlty
Active3 days on market$6,995,000
MLS# 23596387254 N Mercer Way
Mercer Island, WA 98040
5 bd3.5 ba5,100 sqftListing courtesy of Windermere Real Estate/East
Active3 days on market$8,500,000
MLS# 23531078428 N Mercer Way
Mercer Island, WA 98040
4 bd3 ba3,900 sqftListing courtesy of Berkshire Hathaway HS NW
Active4 days on market$1,525,000
MLS# 235294028 Xx 68th Avenue Se
Mercer Island, WA 98040
0 bd0 baListing courtesy of John L. Scott, Inc.
Active4 days on market$399,950
MLS# 23233240 Xx23 91 St Avenue Se
Mercer Island, WA 98040
0 bd0 baListing courtesy of COMPASS
Active4 days on market$299,950
MLS# 23233260 Xxx 91st Avenue Se
Mercer Island, WA 98040
0 bd0 baListing courtesy of COMPASS
Listing data courtesy of NWMLS. Provided for the consumer's personal, non-commercial use. Market stats reflect representative market data for Mercer Island; current listings and individual neighborhoods may vary.
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Common questions
Mercer Island waterfront homes FAQ.
- What does waterfront property cost in Mercer Island?
- Waterfront pricing in Mercer Island varies dramatically by water body, depth, views, and improvements. RexMont's waterfront specialists can give you a current market snapshot and identify what distinguishes premium properties from those that are simply on the water.
- Is waterfront property a good investment?
- Waterfront with deep water access, a stable bulkhead, and full permits consistently holds value over time. Waterfront properties with deferred maintenance, flood risk, or permitting issues carry more volatility.