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
- 86+
ActiveNew today$2,370,000
MLS# 25435726163 93rd Avenue Se
Mercer Island, WA 98040
4 bd2.5 ba3,250 sqftListing courtesy of John L. Scott, Inc.
ActiveNew today$3,700,000
MLS# 25532447429 E Mercer Way
Mercer Island, WA 98040
5 bd4.5 ba4,580 sqftListing courtesy of John L. Scott, Inc.
ActiveNew today$2,675,000
MLS# 25521955 Lindley Road
Mercer Island, WA 98040
5 bd1 ba3,350 sqftListing courtesy of COMPASS
ActiveNew today$2,295,000
MLS# 25509713727 77th Place Se
Mercer Island, WA 98040
3 bd1 ba2,170 sqftListing courtesy of Windermere Mercer Island
ActiveNew today$1,995,000
MLS# 25517809116 Se 72nd Place
Mercer Island, WA 98040
4 bd1.5 ba2,570 sqftListing courtesy of COMPASS
Active1 day on market$3,600,000
MLS# 25519224140 W Mercer
Mercer Island, WA 98040
4 bd2.5 ba4,404 sqftListing courtesy of Windermere Real Estate/East
ActiveNew today$6,197,000
MLS# 25436863410 W Mercer Way
Mercer Island, WA 98040
5 bd5.5 ba6,140 sqftListing courtesy of Windermere Bellevue Commons
Active1 day on market$1,600,000
MLS# 25515204329 86th Avenue Se
Mercer Island, WA 98040
3 bd1 ba2,080 sqftListing courtesy of RSVP Brokers ERA
Active2 days on market$5,450,000
MLS# 25513864835 Forest Avenue Se
Mercer Island, WA 98040
3 bd3 ba3,670 sqftListing courtesy of Windermere Mercer Island
Active1 day on market$2,650,000
MLS# 25485167306 Island Crest Way
Mercer Island, WA 98040
4 bd1.5 ba2,520 sqftListing courtesy of Windermere Mercer Island
ActiveNew today$2,998,000
MLS# 25404416750 W Mercer Way
Mercer Island, WA 98040
4 bd2.5 ba3,240 sqftListing courtesy of Realogics Sotheby's Int'l Rlty
Active1 day on market$1,869,000
MLS# 25510557616 Se 37th Place
Mercer Island, WA 98040
3 bd1.5 ba2,060 sqftListing courtesy of Windermere Real Estate/East
Active4 days on market$998,000
MLS# 25495489433 Se 54th Street
Mercer Island, WA 98040
0 bd0 baListing courtesy of eXp Realty
ActiveNew today$2,269,000
MLS# 25499344830 88th Place Se
Mercer Island, WA 98040
5 bd1 ba3,520 sqftListing courtesy of Coldwell Banker Bain
Active4 days on market$434,950
MLS# 25493812929 76th Avenue Se #208
Mercer Island, WA 98040
1 bd0 baListing courtesy of Keller Williams Realty PS
Active8 days on market$369,000
MLS# 25484932500 81st Avenue Se #329
Mercer Island, WA 98040
1 bd1 baListing courtesy of RE/MAX Eastside Brokers, Inc.
Active7 days on market$750,000
MLS# 25475498114 W Mercer Way
Mercer Island, WA 98040
0 bd0 baListing courtesy of Redfin
ActiveNew today$3,750,000
MLS# 25479154725 W Mercer Way
Mercer Island, WA 98040
4 bd2.5 ba4,010 sqftListing courtesy of COMPASS
ActiveNew today$7,980,000
MLS# 25451078279 W Mercer Way
Mercer Island, WA 98040
6 bd5.5 ba6,670 sqftListing courtesy of MY International Real Estate
ActiveNew today$2,880,000
MLS# 25459183225 W Mercer Way
Mercer Island, WA 98040
4 bd2 ba3,320 sqftListing courtesy of Whisper Real Estate
ActiveNew today$1,600,000
MLS# 25436948808 Se 54th Se
Mercer Island, WA 98040
3 bd2.5 ba1,800 sqftListing courtesy of Homes & Equity Real Estate Grp
ActiveNew today$2,599,000
MLS# 25444984232 Shoreclub Drive
Mercer Island, WA 98040
4 bd0 ba3,770 sqftListing courtesy of Coldwell Banker Bain
Active2 days on market$1,915,000
MLS# 25367635021 E Mercer Way
Mercer Island, WA 98040
4 bd1.5 ba3,234 sqftListing courtesy of Windermere Mercer Island
Active1 day on market$4,650,000
MLS# 25443757712 89th Place Se
Mercer Island, WA 98040
5 bd3.5 ba4,330 sqftListing courtesy of Engel & Voelkers Mercer Island
Active16 days on market$2,349,950
MLS# 25453508510 Se 72nd Street
Mercer Island, WA 98040
3 bd1 ba2,810 sqftListing courtesy of Verra Terra
Active11 days on market$1,850,000
MLS# 25451649412 Se 33rd Street
Mercer Island, WA 98040
0 bd0 baListing courtesy of Wilson Realty Exchange, Inc.
Active11 days on market$1,850,000
MLS# 25417649412 Se 33rd Street
Mercer Island, WA 98040
3 bd1.5 ba910 sqftListing courtesy of Wilson Realty Exchange, Inc.
ActiveNew today$2,199,000
MLS# 25433334336 E Mercer Way
Mercer Island, WA 98040
4 bd1 ba2,690 sqftListing courtesy of Windermere Mercer Island
Active18 days on market$8,495,000
MLS# 25436934102 100th Avenue Se
Mercer Island, WA 98040
5 bd3.5 ba5,535 sqftListing courtesy of Windermere Real Estate/East
Active3 days on market$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$4,399,995
MLS# 25430964024 85th Avenue Se
Mercer Island, WA 98040
5 bd3.5 ba4,474 sqftListing courtesy of COMPASS
Active3 days on market$1,950,000
MLS# 25428569210 Parkwood Ridge Road
Mercer Island, WA 98040
3 bd2.5 ba2,570 sqftListing courtesy of Coldwell Banker Bain
Active1 day on market$2,750,000
MLS# 25427497432 E Mercer Wy
Mercer Island, WA 98040
4 bd3.5 ba4,010 sqftListing courtesy of Skyline Properties, Inc.
ActiveNew today$2,195,000
MLS# 25417837235 87th Avenue Se
Mercer Island, WA 98040
4 bd2 ba2,970 sqftListing courtesy of Redfin
Active2 days on market$3,475,000
MLS# 25410014526 89th Avenue Se
Mercer Island, WA 98040
5 bd2.5 ba4,021 sqftListing courtesy of COMPASS
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
ActiveNew today$3,850,000
MLS# 25404464889 Forest Avenue Se
Mercer Island, WA 98040
5 bd2.5 ba4,910 sqftListing courtesy of COMPASS
Active25 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
Active12 days on market$2,224,990
MLS# 25394394807 E Mercer Way
Mercer Island, WA 98040
4 bd1.5 ba2,990 sqftListing courtesy of Skyline Properties, Inc.
Active1 day on market$19,500,000
MLS# 25371136333 77th Avenue Se
Mercer Island, WA 98040
5 bd2 ba7,858 sqftListing courtesy of Coldwell Banker Bain
Active34 days on market$449,950
MLS# 25359942500 81st Avenue Se #351
Mercer Island, WA 98040
2 bd1.5 baListing courtesy of Coldwell Banker Bain
ActiveNew today$2,695,000
MLS# 25341403424 97th Avenue Se
Mercer Island, WA 98040
4 bd2.5 ba3,414 sqftListing courtesy of Coldwell Banker Bain
Active16 days on market$1,649,000
MLS# 25336434429 E Mercer Way
Mercer Island, WA 98040
4 bd1 ba2,920 sqftListing courtesy of Real Residential
ActiveNew today$1,575,000
MLS# 25253499712 Se 41st
Mercer Island, WA 98040
3 bd1 ba1,410 sqftListing courtesy of Realogics Sotheby's Int'l Rlty
ActiveNew today$9,950,000
MLS# 2531459Address withheld
Mercer Island, WA 98040
5 bd1.5 ba5,410 sqftListing courtesy of eXp Realty
Active43 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
Active4 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
ActiveNew today$1,738,000
MLS# 25231385709 80th Avenue Se
Mercer Island, WA 98040
3 bd2 ba1,460 sqftListing courtesy of Windermere Mercer Island
Active3 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
Active35 days on market$3,385,000
MLS# 25216778451 Se 44th Street
Mercer Island, WA 98040
5 bd3.5 ba4,253 sqftListing courtesy of Redfin
Active12 days on market$13,995,000
MLS# 25221844041 W Mercer Way
Mercer Island, WA 98040
4 bd2 ba4,540 sqftListing courtesy of COMPASS
ActiveNew today$7,999,880
MLS# 252207018 Holly Lane
Mercer Island, WA 98040
6 bd2.5 ba5,163 sqftListing courtesy of Windermere Real Estate/East
Active16 days on market$2,598,000
MLS# 25170536771 81st Avenue Se
Mercer Island, WA 98040
4 bd2.5 ba3,810 sqftListing courtesy of Redfin
Active2 days on market$3,480,000
MLS# 25109488144 W Mercer Way
Mercer Island, WA 98040
4 bd3.5 ba4,362 sqftListing courtesy of We Lakeside
ActiveNew today$3,250,000
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
Active1 day on market$2,099,988
MLS# 25169374290 Shoreclub Drive
Mercer Island, WA 98040
4 bd1 ba2,395 sqftListing courtesy of Windermere Real Estate/East
ActiveNew today$3,698,000
MLS# 25166345222 Forest Avenue Se
Mercer Island, WA 98040
5 bd3.5 ba3,851 sqftListing courtesy of Real Residential
Active3 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$2,998,000
MLS# 25148143645 92nd Avenue Se
Mercer Island, WA 98040
5 bd2 ba4,477 sqftListing courtesy of Windermere Real Estate/East
ActiveNew today$2,175,000
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
ActiveNew today$9,100,000
MLS# 25093043840 E Mercer Way
Mercer Island, WA 98040
5 bd2.5 ba6,117 sqftListing courtesy of COMPASS
Active3 days on market$619,900
MLS# 25024617600 Se 29th St #311
Mercer Island, WA 98040
2 bd2 baListing courtesy of Real Broker LLC
Active18 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
Active9 days on market$295,000
MLS# 25075152939 76th Avenue Se #41b
Mercer Island, WA 98040
0 bd1 baListing courtesy of John L. Scott, Inc.
Active10 days on market$550,000
MLS# 25024247930 Se 34th Street #513
Mercer Island, WA 98040
2 bd1 baListing courtesy of Redfin
Active2 days 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
Active43 days on market$599,950
MLS# 25018722930 76th Avenue Se #a-203
Mercer Island, WA 98040
2 bd1 baListing courtesy of eXp Realty
Active92 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
Active13 days on market$415,000
MLS# 24807922500 81st Avenue Se #118
Mercer Island, WA 98040
2 bd1 baListing courtesy of Realogics Sotheby's Int'l Rlty
Active24 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
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.
Active3 days on market$3,575,000
MLS# 24791157580 Se 71st Street
Mercer Island, WA 98040
5 bd1.5 ba3,610 sqftListing courtesy of Coldwell Banker Bain
Active51 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
Active198 days on market$6,800,000
MLS# 24492207220 North Mercer Way
Mercer Island, WA 98040
7 bd8 baListing courtesy of Wonderland Real Estate
Active24 days on market$6,800,000
MLS# 24491527220 N Mercer Way
Mercer Island, WA 98040
0 bd0 baListing courtesy of Wonderland Real Estate
Active41 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
Active17 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
Active51 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
Active2 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
Active24 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.
Active14 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
Active10 days on market$379,950
MLS# 23233240 Xx23 91 St Avenue Se
Mercer Island, WA 98040
0 bd0 baListing courtesy of COMPASS
Active10 days on market$279,950
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.