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$1,185,000
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Property Description
Discover a rare opportunity to own a duplex in Aptos' highly sought-after Rio Del Mar neighborhood. Tucked away on a quiet cul-de-sac just steps from the sand, 307 Treasure Island Dr offers the perfect blend of coastal living, income potential, and long-term value. The property features two residences totaling approximately 1,400 square feet. The upper 2-bedroom, 1-bath home is filled with natural light and features vaulted ceilings and a private balcony for enjoying the ocean air. The lower 1-bedroom, 1-bath unit offers a separate entrance and private outdoor space, ideal for rental income, guests, or extended family. An attached two-car garage provides off-street parking and additional storage. Ideal for investors, owner-occupants seeking supplemental income, or those searching for a beach-close retreat, this versatile property offers flexibility rarely found in Rio Del Mar. Live in one unit and rent the other, create space for extended family, or enjoy a unique coastal investment opportunity. Enjoy easy access to Rio Del Mar and Seacliff beaches, Aptos Village, local restaurants and shops, miles of hiking and biking trails, and convenient Highway 1 access. This is a unique opportunity to own a versatile property in one of Aptos' most desirable coastal communities.
Full Property Details
Full Property Details for 307 Treasure Island
General
- Price: $1,185,000
- Status: Active
- Type: Duplex
- Source: RE_Infolink
- MLS ID: ML82037376
- Updated: 6/23/2026
- Added to Site: 128 day(s) ago
Interior
- Interior Features: Vaulted Ceiling
- Flooring: Carpet, Laminate, Vinyl / Linoleum
Rooms
Other Rooms
- Laundry: Washer / Dryer
Additional Information
- Extras: Not Applicable
- Security/Safety: None
Parking
- Garage Spaces: 2
- Parking Features: Attached Garage
Location
- Area: Rio Del Mar/Seascape
- County: Santa Cruz
Heating & Cooling
- Cooling Type: None
- Heating Type: Wall Furnace
Utilities
- Sewer: Public Sewer
- Water: Public
- Telecomm.: Cable TV
- Utility Description: Public Utilities
- Metering: Master Electric, Master Gas, Master Water
Structural Information
- Foundation: Concrete Perimeter
- Roof: Composition
- Disability Access: None
- Square Feet: 1,400
- Year Built: 1962
Unit Information
Unit 1
- Square Feet: 468
- Bedrooms: 1
Unit 2
- Square Feet: 932
- Bedrooms: 2
Lot Features
- Minimum Lot Size: 2875
- Lot Size (Sq. Ft.): 2,875
- Building Sites: 1
- Grounds/Landscape: Back Yard, Balcony / Patio, Low Maintenance
- Zoning: R-1-3.5
Listed by KW Thrive Santa Cruz, Daniel Chole
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Schools
Schools serving 307 Treasure Island
School District:Pajaro Valley Joint Unified School District
| Name | Grades | Distance |
|---|---|---|
Rio Del Mar Elementary School 819 Pinehurst Drive, Aptos, CA 95003 | K-6 | 1.7 mi |
Aptos Junior High School 1001 Huntington Drive, Aptos, CA 95003 | 7-8 | 1.2 mi |
Aptos High School 100 Mariner Way, Aptos, CA 95003 | 9-12 | 2.3 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 307 Treasure Island
Date
Details
Price
Change
Source
6/23/2026
Price Reduced
$1,185,000
-5.05%
MLS
3/31/2026
Price Reduced
$1,248,000
-3.63%
MLS
3/05/2026
Listed
$1,295,000
112.3%
MLS
5/01/2013
Sold
$610,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 307 Treasure Island
Year
Property Taxes
Change
Tax Assessment
Change
2025
$10,210
10%
$751,171
4%
2023
$9,256
2%
$722,003
2%
2022
$9,050
3%
$707,846
2%
2021
$8,761
2%
$693,967
1%
2020
$8,614
2%
$686,851
2%
2019
$8,463
3%
$673,383
2%
2018
$8,235
1%
$660,179
2%
2017
$8,159
2%
$647,235
2%
2016
$7,961
56%
$634,544
68%
2015
$5,102
2%
$377,260
2%
2014
$4,978
—
$369,870
—
2013
$5,002
—
$368,199
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 307 Treasure Island
307 Treasure Island, Aptos, CA 95003 (MLS# ML82037376) is a Duplex property with 0 bedrooms and 0 full bathrooms. 307 Treasure Island is currently listed for $1,185,000 and was received on March 05, 2026. Want to learn more about 307 Treasure Island? Do you have questions about finding other Duplex real estate for sale in Aptos? You can browse all Aptos real estate or contact a Coldwell Banker agent to request more information.

