Katie Hertenstein

100 E Treasure Island Road

Allyn, WA
$ 624,950 Beds 2 Baths 2 Sq 1,212
Monthly Estimate* How much can I afford?

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.

Active

  • Price
  • $ 624,950
  • City
  • Allyn
  • Bedrooms
  • 2
  • Full Bathrooms
  • 2
  • County
  • MASON
  • Half Bathrooms
  • 0
  • Area
  • North Mason
  • Lot Size
  • 0.2608 Acres
  • Zip
  • 98524
  • Sqr Footage
  • 1,212
  • Year Built
  • 1980
  • Taxes
  • $ 4593
  • Style
  • 1 Story
  • MLS#
  • 2531366
Listed By: Windermere PeninsulaProperties and NWMLS
Data Source: Northwest Multiple Listing Service (NWMLS)

Features

General

Living Area 1212
Sewer Septic Tank
Heating Baseboard,Stove/Free Standing,Wall Furnace
Cooling None
Possession Closing
Roof Composition
Appliances Dishwasher,Dryer,Microwave,Refrigerator,Stove(s)/Range(s),Washer
Security Features Partially Fenced,Security Gate
Year Built 1980
View Bay,See Remarks,Sound,Territorial
Topography Level
Levels One
Make Eagle West
Property Subtype Single Family Residence
Tax Year 2026
Waterfront Features Bayfront,No Bank,Saltwater,Sea,Sound
County Mason
New Construction No
Property Type Residential
HOA No
Attached Garage Yes
Subdivision Name Grapeview
Facing Direction East
Garage Y/N Yes
Full Baths 2
Special Listing Conditions None
Status Active
Directions Hwy 3 to Grapeview Loop Rd. Follow to Treasure Island Dr. Driveway is the last on the right before the bridge.
High School North Mason Snr High
City Allyn
Entry Location Main
Senior Community Y/N No
High School District Grapeview #54
MLS Area 180 - North Mason
Lot Size Units Square Feet
Lot Size Square Feet 11362
Carport Y/N No
Listing Terms Cash,Conventional
Elementary School Grapeview Elem
Land Lease Y/N No
Tax Annual Amount 4593
Middle/Junior High School Grapeview
Public Remarks 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 vi
Structure Type House
Building Area Units Square Feet
Standard Status Active
Water Company Community Well
Property Style 10 - 1 Story
NWM_ShowMapLink Yes

Interior Features

Interior Amenities Ceiling Fan(s),Dbl Pane/Storm Window,Dining Room,Fireplace,Skylight(s),Vaulted Ceiling(s),Water Heater
Basement None
Flooring Ceramic Tile,Laminate,Carpet
Total Fireplaces 1
Fireplace Features Gas
Air Conditioning Y/N No
Heating Y/N Yes
Fireplace Y/N Yes
Total Bedrooms 2
Main Level Bedrooms 2
Total Baths 2
Water Heater Type Electric
Water Heater Location Bedroom Closet
Fireplaces Main 1
Power Production Type Electric,Propane
Baths Full Main 2
Bathrooms 2

Exterior Features

Exterior Amenities Log,Wood,Wood Products
Vegetation Brush
Parking Features Driveway,Attached Garage,Off Street
Lot Features Paved
Water Source Community
Total Parking 5
Inclusions Dishwasher(s),Dryer(s),Microwave(s),Refrigerator(s),Stove(s)/Range(s),Washer(s)
Foundation Details Poured Concrete
Building Area Total 1212
Lot Size Acres 0.2608
Waterfront Y/N Yes
Covered Spaces 1
Irrigation Water Rights Y/N No
Waterfront Footage 50 +/-
Site Features Deck,Fenced-Partially,Gated Entry,Patio,Propane
Parking Uncovered Total 4

Amenities

  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult 55+
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Primary On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Affordability Calculator

$3,786

Per Month

Based on the average sale price from the Vancouver, WA office

  • Monthly Principal & interest $2,658
  • Monthly Property Taxes $1,062
  • Monthly Home Insurance $67
Adjust Payment Options
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Let's determine your purchasing power. Working with my mortgage partner, you'll have the information you need to shop for a home with confidence.

Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA, or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

Schools

Elementary School Grapeview Elem
Middle School Grapeview Middle School
High School North Mason Snr High

Price History

5/28/2026 Listed $695,000
7/16/2026 4% - $674,000
8/29/2026 8% - $624,950

Property vs Zip Code Average in 98524

Price
AVG $790K
$620K
Taxes
AVG $4,516
$4,593
Year Built
AVG 2000
1980
Visits
AVG 292
665
Data Provided by Inside Real Estate®

In The Neighborhood

Areas That We Cover

100 E Treasure Island Road Allyn, WA is a Single Family Home for sale at $624950 with 1212 sqft and a lot size of 0.2608 Acres Acre(s). 100 E Treasure Island Road Allyn has 2 bedrooms, 2 baths and was built in 1980. The property's zip code is 98524 which is in Allyn, WA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

All information deemed reliable, but not guaranteed, and should be independently verified. The real estate information and related content displayed on this site is provided 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.

Katie Hertenstein

Katie Hertenstein

Real Estate Broker

360-450-8645

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