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$649,000 Just Listed
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Property Description
Turnkey, fully furnished island retreat in the heart of the Florida Keys. This 2 bedroom, 1 bath home offers 1,008 square feet of comfortable living on a 0.17 acre lot in quiet Grassy Key, minutes from Marathon's restaurants, marinas, and the Dolphin Research Center. World class fishing, diving, and sandbars are right at your doorstep. Sold fully furnished and ready to enjoy from day one. Furniture, kitchenware, and complete setup convey, making this an easy move in or a ready to go vacation property with an established rental history and strong year round demand. Additional highlights include a replaced roof and a bright, open layout with outdoor space to unwind after a day on the water. Properties this turnkey rarely come available in one of the most sought after destinations in the country. Come experience the Florida Keys lifestyle for yourself.
Full Property Details
Full Property Details for 377 Guava Ave
General
- Price: $649,000
- Taxes: $5,351 (2025)
- Status: Active
- Type: Single Family
- Source: 927
- MLS ID: 620265
- Updated: 6/13/2026
- Added to Site: 4 day(s) ago
Rooms
Bathrooms
- Total Bathrooms: 1
- Full Bathrooms: 1
Bedrooms
- Total Bedrooms: 2
Location
- Area: 19 - Crawl Key & Grassy Key
- County: Monroe
- Subdivision: Crains Sub (58.0)
Community
- Assoc. Fees Include: None
- Pets Allowed: Yes
Structural Information
- Architectural Style: Above Flood
- Construction: Other
- Square Feet: 1,008
- Sq. Ft. Source: Seller
- Year Built: 1990
Unit Information
- Units in Building: 1
Lot Features
- Property View: No Waterview
- Lot Size (Acres): 0.17
- Lot Size (Sq. Ft.): 7,405
- Lot Dimensions: 60 x 125
- Zoning: R-MH - Residential - MH
Water Features
- Water View: Yes
Financial Considerations
- Tax Amount: $5,351.5
- Tax Year: 2025
- Terms: Cash, Conventional
Disclosures and Reports
- Legal Description: Bk 23 Lt 11 Crains Subd Of Grassy Key Pb 1-51 Pt Secs24-25-26 Twp 65S R 33E G19-164 Or145-29/52 Or882-1341Will Or884-238
- APN: 369180000000
Listed by Homecoin.com, Jonathan Minerick (888) 400-2513
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Schools
Schools serving 377 Guava Ave
School District:Monroe County School District, Middle Torch Key, FL
| Name | Grades | Distance |
|---|---|---|
Stanley Switlik Elementary School 3400 Overseas Highway, Marathon, FL 33050 | PK-5 | 9.3 mi |
Marathon School 350 Sombrero Beach Road, Marathon, FL 33050 | 6-12 | 8.6 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 377 Guava Ave
Date
Details
Price
Change
Source
6/13/2026
Listed
$649,000
23.62%
MLS
3/08/2022
Sold
$525,000
—
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 377 Guava Ave
Year
Property Taxes
Change
Tax Assessment
Change
2024
$5,173
—
$490,959
10%
2024
$5,173
-9%
$446,735
-10%
2023
$5,683
195%
$498,320
280%
2021
$1,927
-1%
$131,309
-3%
2022
$1,949
1%
$135,248
4%
2021
$1,927
4%
$129,497
2%
2019
$1,860
3%
$126,586
2%
2018
$1,803
2%
$124,226
2%
2017
$1,773
—
$121,671
2%
2016
$1,774
—
$119,169
1%
2015
$1,782
-1%
$118,341
1%
2014
$1,793
1%
$117,402
1%
2013
$1,783
—
$115,667
—
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 377 Guava Ave
377 Guava Avenue, Marathon, FL 33050 (MLS# 620265) is a Single Family property with 2 bedrooms and 1 full bathroom. 377 Guava Avenue is currently listed for $649,000 and was received on June 13, 2026. Want to learn more about 377 Guava Avenue? Do you have questions about finding other Single Family real estate for sale in Marathon? You can browse all Marathon real estate or contact a Coldwell Banker agent to request more information.

