For sale

$649,000

377 Guava Ave, Grassy Key, FL 33050

2beds

1,008sqft

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Single Family Residence

Built in 1990

7,405 Square Feet Lot

$605,400 Zestimate^®

$644/sqft

$-- HOA

What's special

Replaced roofFully furnished island retreatBright open layout

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.

20 days

1,305

55

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Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 2
Bathrooms: 1
Full bathrooms: 1

Appliances

Included: YES

Features

Furnished: Yes

Interior area

Total interior livable area: 1,008 sqft

Property

Features

Levels: One
Stories: 1
Water view: None
Waterfront features: None, Dockage: None

Lot

Size: 7,405 Square Feet
Dimensions: 60 x 125
Features: Less Than 1/4 Acre

Details

Parcel number: 00369180000000
Zoning: R-MH
Zoning description: Residential - MH
Special conditions: Standard

Construction

Type & style

Home type: SingleFamily
Property subtype: Single Family Residence

Materials

Other

Condition

Year built: 1990

Utilities & green energy

Utilities for property: Other - See Remarks

Community & HOA

Community

Subdivision: Crains Sub (58.0)

HOA

Has HOA: No
Services included: None

Location

Region: Grassy Key

Financial & listing details

Price per square foot: $644/sqft
Tax assessed value: $490,959
Annual tax amount: $5,351
Date on market: 6/13/2026
Listing terms: Cash,Conventional

Estimated market value

$605,400

$563,000 - $648,000

$3,003/mo

Price history

Date	Event	Price
6/13/2026	Listed for sale	$649,000+23.6%$644/sqft
Source: Key West AOR #620265 Report a problem
3/21/2022	Sold	$525,000+1.9%$521/sqft
Source: FLKMLS #599224 Report a problem
1/17/2022	Listed for sale	$515,000$511/sqft
Source: FLKMLS #599224 Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$5,352 +3.5%	$490,959 +9.9%
2024	$5,173 -9%	$446,735 -10.4%
2023	$5,683 +191.7%	$498,320 +268.4%
2022	$1,949 +1.1%	$135,248 +3%
2021	$1,927 +1.8%	$131,309 +1.4%
2020	$1,893	$129,497 +2.3%
2019	$1,893 +1.8%	$126,586 +1.9%
2018	$1,860 +3.2%	$124,226 +2.1%
2017	$1,803 +1.7%	$121,671 +2.1%
2016	$1,773 -0.1%	$119,169 +0.7%
2015	$1,774	$118,341

Find assessor info on the county website

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All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.

HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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