This home's estimate is 51.1% higher than the average sale price ($479K) of 6 comparable homes.
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100 E Treasure Island Rd, Allyn, WA 98524
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About this home
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 and an additional 1-bedroom 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.

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Market trends in 98524, WA
Last updated September 2026
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Est. $1,653 per month, based on comparable rentals
Sale and tax history for 100 E Treasure Island Rd
- Sale History
- Tax History
$707/sq ft
$789/sq ft
$851/sq ft
$878/sq ft
$852/sq ft
Public record
- Public record
- Zoning
RR5
Rural Residential 5 District
This district provides for residential development on parcels of 5 acres or more.Include but are not limited to:
- Agriculture
- Community / recreation center
- Religious facility
- Housing-Group
- Housing-Single unit
- Infrastructure
- Fire house
Property details
Parking
- Parking Information
- Parking Uncovered Total: 4
- Covered Spaces: 1
- Parking Features: Driveway, Attached Garage, Off Street
- Has Attached Garage
- Has Garage
- Garage Square Feet: 264
Interior
- Bedroom Information
- # of Bedrooms: 2
- # of Bedrooms Main: 2
- Bathroom Information
- # of Full Baths (Total): 1
- # of Main Level Bathrooms (Total): 1
- # of Full Baths (Main): 1
- # of Bathtubs: 1
- # of Showers: 1
- Room 1 Information
- Room Type: Dining Room
- Room Level: Main
- Room 2 Information
- Room Type: Entry Hall
- Room Level: Main
- Room 3 Information
- Room Type: Kitchen Without Eating Space
- Room Level: Main
- Room 4 Information
- Room Type: Living Room
- Room Level: Main
- Room 5 Information
- Room Type: Primary Bedroom
- Room Level: Main
- Room 6 Information
- Room Type: Utility Room
- Room Level: Main
- Room 7 Information
- Room Type: Bathroom Full
- Room Level: Main
- Room 8 Information
- Room Type: Bedroom
- Room Description: Cottage
- Room Level: Main
- Basement Information
- Basement Features: None
- Fireplace Information
- Has Fireplace
- # of Fireplaces: 1
- Fireplace Features: Gas
- # of Fireplaces Main: 1
- Heating & Cooling
- Has Heating
- Heating Information: Baseboard, Stove/Free Standing, Wall Furnace
- Cooling Information: None
- Interior Features
- Interior Features: Ceiling Fan(s), Dining Room, Fireplace, Skylight(s), Vaulted Ceiling(s), Water Heater
- Appliances: Dishwasher, Dryer, Microwave, Refrigerator, Stove(s)/Range(s), Washer
- Flooring: Ceramic Tile, Laminate, Carpet
- Appliances Included: Dishwasher(s),Dryer(s),Microwave(s),Refrigerator(s),Stove(s)/Range(s),Washer(s)
- Second Living Quarters Information
- ADU # of Beds: 1
- ADU # of Baths: 1
Exterior
- Building Information
- Building Information: Built On Lot
- Construction Materials: Log, Wood
- Roof: Composition
- Exterior Features
- Exterior Features: Log, Wood, Wood Products
- Waterfront Information
- On Waterfront
- Waterfront Features: Bayfront, No Bank, Saltwater, Sea, Sound
- Waterfront Footage: 50 +/-
- Property Information
- Energy Source: Electric,Propane
- Sq. Ft. Finished: 792
- Style Code: 10 - 1 Story
- Property Type: Residential
- Property Sub Type: Single Family Residence
- Has View
- Make: Eagle West
- Land Information
- Vegetation: Brush
- Lot Information
- MLS Lot Size Source: County Records
- Site Features: Deck,Fenced-Partially,Gated Entry,Patio,Propane
- Lot Features: Paved
- Lot Size Units: Square Feet
- Lot Size Acres: 0.2608
- Elevation Units: Feet
Financial
- Tax Information
- Tax Annual Amount: $4,593
- Tax Year: 2026
- Financial Information
- Listing Terms: Cash, Conventional
- Buyer Financing: Conventional
Utilities
- Utility Information
- Water Source: Community
- Water Company: Community Well
- Power Company: PUD #3
- Sewer: Septic Tank
- Sewer Company: Septic
- Water Heater Location: Bedroom Closet
- Water Heater Type: Electric
Location
- School Information
- Elementary School: Grapeview Elem
- Middle Or Junior High School: Grapeview
- High School: North Mason Snr High
- High School District: Grapeview #54
- Location Information
- Water Access: Community Waterfront/Pvt Beach,Tideland Rights
- Directions: Hwy 3 to Grapeview Loop Rd. Follow to Treasure Island Dr. Driveway is the last on the right before the bridge.
- Topography: Level
- Community Information
- Senior Exemption: false
Public facts
- Beds: 2
- Baths: 1.0
- Sq. Ft.: 672
- Stories: 1.0
- Lot Size: 0.26 acres
- Style: Single Family Residential
- Year Built: 1980
- Year Renovated: —
- County: Mason County
- APN: 12105-51-35003
Other
- Listing Information
- Buyer Brokerage Compensation: 2.25
- Buyer Brokerage Compensation Type: %
- Mls Status: Sold
- Listing Date Information
- On Market Date: Thursday, May 28, 2026
- Green Information
- Direction Faces: East
- Power Production Type: Electric, Propane
- Home Information
- Living Area: 792
- Calculated Square Footage: 1332
- MLS Square Footage Source: County Records
- Building Area Total: 792
- Building Area Units: Square Feet
- Foundation Details: Pillar/Post/Pier
- Structure Type: House
- Levels: One
- Security Features: Partially Fenced, Security Gate
- Entry Location: Main
Around this home
Schools
Public K-8 • Assigned • 4.3mi
Public 9-12 • Assigned • 5.1mi
Climate risks
Minimal risk of a flood reaching the building in the next 30 years
Unlikely to be in a wildfire in next 30 years
7 days above 87° expected this year, 14 days in 30 years
Minimal risk of severe winds over next 30 years
15 unhealthy days expected this year, 23 days in 30 years
Sun exposure
Exceptional sunlight
SunscoreThis home receives average direct sun exposure in Allyn. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
Nearby similar homes
Home values near 100 E Treasure Island Rd
| Address | Redfin Estimate |
|---|---|
3 Beds | 2 Baths | 1344 Sq. Ft. | $410,758 |
- Beds | - Baths | - Sq. Ft. | — |
| Address | Redfin Estimate |
|---|---|
3 Beds | - Baths | 1008 Sq. Ft. | $406,423 |
- Beds | - Baths | - Sq. Ft. | — |
| Address | Redfin Estimate |
|---|---|
3 Beds | 2 Baths | 1344 Sq. Ft. | $350,015 |
3 Beds | 1 Baths | 1404 Sq. Ft. | $651,672 |
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