Listed by Lori Anderson • Windermere PeninsulaProperties.

For sale

$624,950

Est. $3,750/mo —

•

1,212

sq ft

100 E Treasure Island Rd, Allyn, WA 98524

About this home

3 dwellings, 1 extraordinary waterfront property! Enjoy the flexibility and lifestyle opportunities of this rare 50ft true no-bank waterfront retreat, perfectly positioned on the beach with stunning views of Treasure Island and Puget Sound from nearly every window. Whether you’re looking for full-time waterfront living, a multi-generational setup, vacation retreat, or income-producing property, this one offers it all. The property features a charming primary beach cabin, a detached 1 bed/1 bath ADU, plus an additional cottage currently used as a bunkhouse and art studio with endless flexibility for guests, hobbies, office space, or additional sleeping quarters. Cozy cabin styling throughout creates the perfect Pacific Northwest beach getaway feel. Move-in ready and option to sell some furnishings, it’s ready to enjoy immediately or as a successful short-term rental investment. Just steps from the deck to the water, enjoy kayaking, paddle boarding, boating, swimming, and endless beach days right from your backyard. Conveniently located near the Port of Grapeview boat launch and Fair Harbor Marina for moorage and fuel. A rare opportunity to own a turnkey waterfront escape with unforgettable views, income potential, and the ultimate waterfront lifestyle.

Single-familyProperty Type

1980Year Built

0.26 acresLot Size

$516Price/Sq.Ft.

5 spacesParking

Listed by Lori Anderson • Windermere PeninsulaProperties

Listed by Emily Addis • Windermere PeninsulaProperties

Listing updated: Aug 31, 2026 at 12:11pm

Redfin checked: a minute ago

•Source:NWMLS as Distributed by MLS Grid #2531366

Payment calculator

$3,750 per month

Principal and interest$3,284

Property taxes

$383

HOA dues

Home insurance

$83

Utilities

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Open houses

No upcoming open houses.

Nearby open houses (10)

OPEN TODAY, 11AM TO 4PM
$1,055,000
5 beds3 baths2,711 sq ft
11365 (28) 112th St Loop, Maplewood, WA 98332
Cindy Marchand • Windermere Prof Partners
OPEN SUN TO 3PM3D WALKTHROUGH
$392,000
3 beds2 baths1,056 sq ft
620 E Aycliffe Dr, Shelton, WA 98584
Chris Gurnee • eXp Realty
OPEN SUN, 11AM TO 1:30PM
$999,000
2 beds2 baths2,200 sq ft
9023 Michael Ln NW, Gig Harbor, WA 98332
Chris Conroy • Ensemble
OPEN SUN, 12PM TO 3PM
$725,000
4 beds2 baths1,728 sq ft
8306 94th St NW Unit A & B, Gig Harbor, WA 98332
Alison Paoli • PropertiesNW of Gig Harbor Ltd
OPEN SUN, 12PM TO 2:30PM3D WALKTHROUGH
$1,699,000
3 beds3 baths3,816 sq ft
8818 30th Street Ct NW, Gig Harbor, WA 98335
Marc Kemp • Coldwell Banker Bain
OPEN SUN, 12PM TO 2PM
$1,350,000
1 bed1 bath720 sq ft
6602 Cromwell Beach Dr NW, Gig Harbor, WA 98335
McGriz McHugh-Griesmeyer • Coldwell Banker Bain
OPEN SUN, 1PM TO 3PM
$980,000
3 beds2 baths1,944 sq ft
11711 NE North Shore Rd, Belfair, WA 98528
Darren Rivers • Real Broker LLC
OPEN SUN, 1PM TO 3PM
$750,000
3 beds3 baths1,990 sq ft
3802 71st Avenue Ct NW, Gig Harbor, WA 98335
Portia Gray • Windermere RE Magnolia
OPEN SUN, 2PM TO 4PM
$1,395,000
4 beds4.5 baths4,525 sq ft
6320 65th Ave NW, Gig Harbor, WA 98335
Tanya Headrick • eXp Realty
OPEN SEP 7, 12PM TO 2PMVIDEO TOUR
$450,000
3 beds2 baths1,597 sq ft
40 E Cedarland Ln, Allyn, WA 98524
Shelly Dunnington • RE/MAX Top Executives

Around this home

Schools

K - 12
Preschool & daycare

Grapeview Elementary & Middle School

Public K-8 • Assigned • 4.3mi

7/10

North Mason Senior High School

Public 9-12 • Assigned • 5.1mi

3/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Offer insights

100 E Treasure Island Rd · $624,950

Strong offer

$624K and above

75% chance or better to win

Why $624K+ is a strong offer

DAYS ON MARKET

The average home goes pending in 34 days.

SALE-TO-LIST

Most homes are selling 2% below list price.

About offer insights

Property details

Interior
Exterior
Finance

Kitchen

Bathroom

Bedroom

Living

Dining

Interior features
Ceiling fans
Dining room
Fireplace (gas)
Skylights
Vaulted ceilings
Water heater

Bedrooms
2 bedrooms (both on the main level)
Accessory unit: 1-bedroom ADU (main level)

Bathrooms
2 full bathrooms (both on the main level)
ADU: 1 full bathroom
2 bathtubs
2 showers

Kitchen
Dishwasher
Microwave
Refrigerator
Stove/Range

Laundry & utility
Washer
Dryer
Utility room (main level)

Flooring
Ceramic tile
Laminate
Carpet

Heating & cooling
Baseboard heating
Stove / free-standing heating
Wall furnace
No central air

Sale and tax history for 100 E Treasure Island Rd

Sale History
Tax History

Year

Property tax

Land + Additions

Assessment*

2026

$4,593 (−2.6%)

$310,735 + $315,420

$626,155

2025

$4,714 (+4.4%)

$310,735 + $315,420

$626,155

2024

$4,517 (+8.1%)

$310,735 + $310,675

$621,410

2023

$4,177 (+14.1%)

$310,735 + $316,530

$627,265

2021

$3,660 (−3.2%)

$310,735 + $216,550

$527,285

2020

$3,779 (+0.9%)

$219,425 + $193,830

$413,255

2019

$3,746 (−5.3%)

$240,320 + $170,715

$411,035

2018

$3,957 (+13.3%)

$240,320 + $170,715

$411,035

2017

$3,494 (+21.8%)

$222,930 + $140,360

$363,290

2016

$2,869 (+3.6%)

$212,315 + $128,640

$340,955

2015

$2,768 (+20.7%)

$132,000 + $126,740

$258,740

2014

$2,293 (+17.9%)

$114,000 + $119,890

$233,890

2013

$1,944 (+0.1%)

$114,000 + $119,890

$233,890

2012

$1,942 (−2.7%)

$120,000 + $138,225

$258,225

2011

$1,996 (−0.8%)

$150,000 + $141,345

$291,345

2010

$2,012 (+1.0%)

$150,000 + $141,345

$291,345

2009

$1,992

$150,000 + $141,345

$291,345

Public record

Public record
Zoning

Beds

Baths

Stories

Lot width

100 ft.

Lot depth

—

Lot size

0.26 Acres

Year renovated

—

Finished Sq. Ft.

672

Unfinished Sq. Ft.

—

Total Sq. Ft.

672

Year built

1980

Style

Single Family Residential

County

Mason County

APN

12105-51-35003

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Apr 13, 2026.

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

3/10 Heat Factor

7 days above 87° expected this year, 14 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

9/10 Air Factor

15 unhealthy days expected this year, 23 days in 30 years

Provided by First Street

Historical weather

Allyn, WA • 98524

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

90/ 100

Exceptional sunlight

Sunscore

There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

10.9 hrs

5.3 hrs

JuneDecember

Provided by Shadowmap

Redfin Estimate for 100 E Treasure Island Rd

$610,017

$15K under list price of $625K

Nearby comparable homes

The Redfin Estimate uses 6 recent nearby sales, priced between $505K to $850K.

BOUGHT WITH REDFIN JUL 24, 2026
$680,000 Last sold price
2 beds1.5 baths1,042 sq ft
187 E Vineyard Crest Rd, Grapeview, WA 98546
$137/sq ft
larger lot
12 years newer
SOLD JUN 10, 2026
$700,000 Last sold price
2 beds2 baths1,000 sq ft
11108 Bliss Cochrane Rd NW, Gig Harbor, WA 98329
$184/sq ft
larger lot
18 years newer
SOLD AUG 21, 2026
$505,000 Last sold price
4 beds2 baths1,686 sq ft
4631 E Grapeview Loop Rd, Allyn, WA 98524
$216/sq ft
larger lot
3 years older
SOLD OCT 16, 2025
$670,000 Last sold price
2 beds2 baths1,512 sq ft
1661 E Treasure Island Dr, Allyn, WA 98524
$73/sq ft
larger lot
39 years newer
SOLD JAN 30, 2026
$720,000 Last sold price
2 beds1.5 baths1,444 sq ft
662 E Stadium Beach Rd E, Grapeview, WA 98546
$17/sq ft
larger lot
3 years newer
SOLD JUL 8, 2026
$850,000 Last sold price
2 beds2 baths1,097 sq ft
5530 E Mason Lake Dr W, Grapeview, WA 98546
$259/sq ft
larger lot
25 years newer

Rental earnings

Est. $1,660 per month, based on comparable rentals

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