377 Guava Ave, Grassy Key, FL 33050
Property image
Property image
FOR SALE

$640,000

Original price: $649,000
  • 2 Beds
  • 1 Bath
  • 1,008 sqft

377 Guava Ave, Grassy Key, FL 33050

Est. Mortgage $3,836/mo*
Get Pre-Qualified
We estimate this home will sell faster than 97% nearby.

Home Highlights

Single-Family Home
Built in 1990
$635/sqft

Local Information

  • Map ViewExplore the area around 377 Guava Ave.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

About this House

Turnkey, fully furnished vacation rental in the Heart of Florida Keys. This 2 bedroom, 1 bath home offers 1,008 sqft on a 0.17 acre lot in quiet Grassy Key, minutes from Marathon's restaurants, marinas, and beaches. 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.
Last check for updates: about 4 hours ago
Listing courtesy of Jonathan Minerick, (888) 400-2513
Homecoin.com
Source: FLKMLS, MLS#620265
Also Listed on FLKMLS.
We estimate this home will sell faster than 97% nearby.

Home Details for 377 Guava Ave

Interior Features

Beds & Baths
Number of Bedrooms: 2Number of Bathrooms: 1Number of Bathrooms (full): 1
Dimensions and Layout
Living Area: 1008 Square Feet
Appliances & Utilities
Utilities: See Remarks
View
No View

Exterior Features

Exterior Home Features
No Private Pool
Frontage
Not on Waterfront

Days on Market

Days on Market: 89

Property Information

Year Built
Year Built: 1990
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family Residence
Building
Construction Materials: Other
Property Information
Parcel Number: 00369180000000

Price & Status

Price
List Price: $640,000Price Per Sqft: $635

Active Status

MLS Status: Active

Location

Direction & Address
City: MarathonCommunity: Crains Sub (58.0)

Agent Information

Listing Agent
Listing ID: 620265

Building

Building Area
Building Area: 1008 Square Feet

HOA

HOA Fee Includes: NoneNo HOAHOA Fee: No HOA Fee

Lot Information

Lot Area: 7405.2 sqft

Offer

Listing Terms: Cash, Conventional

Rental Terms, Policies & Fees

Furnished

Miscellaneous

Mls Number: 620265

Around this home

What Locals Say about Marathon

At least 61 Trulia users voted on each feature.

  • 83 % Say car is needed

  • 79 % Say people would walk alone at night

  • 76 % Say parking is easy

  • 72 % Say it's quiet

  • 70 % Say it's dog friendly

  • 70 % Say yards are well-kept

  • 68 % Say there's holiday spirit

  • 61 % Say it's walkable to restaurants

  • 53 % Say there's wildlife

  • 53 % Say they plan to stay for at least 5 years

  • 51 % Say there are community events

  • 49 % Say kids play outside

  • 45 % Say neighbors are friendly

  • 37 % Say it's walkable to grocery stores

  • 36 % Say there are sidewalks

  • 29 % Say streets are well-lit

Sourced by Trulia users. Learn more about our methodology.
  • 4yrv5tc4qr
    "Seafood festival, theater, music festival, turtle releases, homecoming parade, 4th of July fireworks on the beach"
    1
    Flag
  • Ingridfox
    "people love walking dogs on the beach and dog dog park at Sombrero Beach. A lot of restaurants are dog friendly. This is a great place for dog owners. "
    1
    Flag
  • C E.
    "There is no place for kids to hang out really except for the skate park. There are no malls, no skating rinks, no places for kids to meet safely. "
    1
    Flag
  • Jan M.
    "We have basic public transportation. I’d take a taxi anywhere in town. .............................,,"
    0
    Flag
  • Erin F.
    "There’s plenty of grass, sidewalks and quiet roads to walk along.. plus the public beach is always a dogs favorite adventure.. just pick up after your dog!"
    2
    Flag
  • Thurmankolb
    "Yes! Dog park just down the street. Lots of neighbors know each other by our dogs. Great vets n Marathon and good groomer."
    6
    Flag
  • Thurmankolb
    "Lots of community events and activities. Fishing tournaments, seafood festival, school carnivals, etc... "
    2
    Flag
  • Jamie B.
    "Everyone gets together for the kids at Halloween. We have a community park with special events planned for the kids and the beach is the sight for a special 4th of July. "
    0
    Flag
  • Abiezer31
    "Of course ,the neighbors the owner and dog are very nice I’m very proud living in my house.and this neighborhood "
    3
    Flag
  • Darren S.
    "I live off the beaten path across the street from a golf course. It's very quiet and tranquil. throb marinas surrounding the property and can walk to All shops and stores."
    0
    Flag
  • Cyndiepalmer
    "We are a friendly neighborhood. You walk your street and say Hi anytime. It is a safe street to live "
    0
    Flag
  • Ksperkinson
    "Safe clean near ocean good police pet friendly hospital is coming along in the construction have contract here at hospital looking forward to finding a good place for 3 months"
    0
    Flag
  • Stephanie M.
    "A lot of kids and cars. A fire station that is noisey but nice. Lizards everywhere. There is one hotel on this small island. There are A lot of Vacation homes here and crab catchers. When it rains you can't see the road."
    0
    Flag
  • Lb2071
    "water front community , is a small island called Flamingo Island. We have a 9 hole golf course and just 5 minutes from Publix and Kmart. Sombrero beach is right at the outset of the canals on the Atlantic ocean and the people are very loving and friendly."
    0
    Flag
  • Gonzalez8834
    "Marathon is a great place to life and have a family, very safe, quiet and full of great people. ......"
    0
    Flag
  • Tom A. C. M.
    "I live here (14 years) and love the area. Close accessibility to shopping, schools, churches, golf, beach, walking, biking. "
    0
    Flag
  • Anne K.
    "Lived here for many years and is one of the best places to live in Marathon. Conveniently located near schools, parks, shopping and beach just minutes away."
    0
    Flag
  • Debra G.
    "Only 8 miles from Marathon. Away from the winter traffic, airport noise. Crystal clean, flow through canals. Great place to vacation and a great place to live. "
    0
    Flag

Market trends in Marathon

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$774K
$51.67KMoM
Sale-to-List Price
—
Price per sq ft
$630
$2MoM
Available listings
260
8MoM

Home Value

Trulia Estimate
$602K
Since last month
Increased$3K (+0.4%)
Since last year
Increased$43K (+7.7%)
Since last sale
Increased$77K (+14.7%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +67% in the last 10 years
MonthEstimated value
2026
August 2026$602K
August 2026$600K
July 2026$600K
June 2026$605K
April 2026$574K
March 2026$574K
February 2026$568K
January 2026$558K
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
347 Guava Ave, Grassy Key, FL
0.02
Single-Family Home
$390,000
12/30/25
3
1
1,008
370 Cocoanut Ave, Grassy Key, FL
0.03
Single-Family Home
$500,000
10/29/25
2
2
864
254 Orange Ave, Grassy Key, FL
0.15
Single-Family Home
$525,000
12/17/25
3
1
912
58704 Overseas Hwy, Grassy Key, FL
0.62
Single-Family Home
$550,000
03/16/26
2
1
1,160
57538 Bailey St, Grassy Key, FL
0.70
Single-Family Home
$440,000
12/01/25
2
1
874
57485 Gibson St, Grassy Key, FL
0.74
Single-Family Home
$550,000
06/17/26
3
2
1,056
57453 Goodley St, Grassy Key, FL
0.79
Single-Family Home
$580,000
05/20/26
3
2
1,147
58345 Morton St, Grassy Key, FL
0.14
Single-Family Home
$1,700,000
09/01/26
3
3
1,896
56 Pelican Rd, Grassy Key, FL
0.85
Single-Family Home
$1,275,000
02/09/26
2
1
864
58121 Morton St, Grassy Key, FL
0.14
Single-Family Home
$2,700,000
05/29/26
4
2.5
1,464

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
347 Guava Ave, Grassy Key, FL 33050
0.02
$390,000
3
1
1,008
Recently Sold
350 Cocoanut Ave, Grassy Key, FL 33050
0.03
$723,400
3
2
1,008
Off Market
370 Cocoanut Ave, Grassy Key, FL 33050
0.03
$606,900
2
2
864
Off Market
335 Orange Ave, Grassy Key, FL 33050
0.07
$667,900
2
2
960
Off Market
398 Guava Ave, Grassy Key, FL 33050
0.04
$755,200
3
2
1,344
Off Market
246 Guava Ave, Grassy Key, FL 33050
0.13
$622,400
3
2
1,198
Off Market
336 Orange Ave, Grassy Key, FL 33050
0.11
$669,000
2
2
821
For Sale
58133 Ferreire St, Grassy Key, FL 33050
0.12
$887,800
3
2
1,156
Off Market
284 Orange Ave, Grassy Key, FL 33050
0.13
$890,800
3
2.5
1,995
Off Market
58213 Morton St, Grassy Key, FL 33050
0.08
$3,800,000
3
4.5
4,000
Recently Sold
254 Orange Ave, Grassy Key, FL 33050
0.15
$525,000
3
1
912
Recently Sold

Price and Tax history

DateEventPrice
Aug 3, 2026
Source: Key West AOR #620265
PriceChange
$640,000
Price decreased by 1%
Jun 13, 2026
Source: Key West AOR #620265
Listed For Sale
$649,000
Mar 21, 2022
Source: FLKMLS #599224
Sold
$525,000
Jan 17, 2022
Source: FLKMLS #599224
Listed For Sale
$515,000

LGBTQ Local Legal Protections

Jonathan Minerick, Homecoin.com
Agent Phone: (888) 400-2513
MLS Internet Data Exchange (IDX) information is provided exclusively 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, and that the data is deemed reliable but is not guaranteed accurate by the Florida Keys MLS.

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Frequently asked questions about 377 Guava Ave

  • What is the estimated monthly payment for 377 Guava Ave?
    Based on a $640,000 list price with 20% down at today's rates, the estimated monthly payment for 377 Guava Ave in Grassy Key, FL is approximately $3,935 (about $3,423 principal & interest, $437 property taxes, and $75 homeowner's insurance). This is an estimate. Actual payment depends on your loan terms.
  • How does the list price for 377 Guava Ave compare to homes in Grassy Key?
    377 Guava Ave in Grassy Key, FL is listed at $640,000, about 17% below the $774K median sale price in Grassy Key.
  • What do residents say about Grassy Key?
    Residents describe Grassy Key, FL as easy to park in, quiet, and dog-friendly. Most residents say you need a car. See homes for sale in Grassy Key, FL.
  • What are the closest schools to 377 Guava Ave?
    The closest schools to 377 Guava Ave in Grassy Key, FL are Marathon School (Middle/High, rated 5/10), Stanley Switlik Elementary School (Pre-K, rated 5/10).
  • How big is the lot at 377 Guava Ave?
    The lot at 377 Guava Ave in Grassy Key, FL is about 0.17 acres (7,405 sq ft).
377 Guava Ave, Grassy Key, FL 33050 is a 2 bedroom, 1 bathroom, 1,008 sqft single-family home built in 1990. This property is currently available for sale and was listed by FLKMLS on Jun 13, 2026. The MLS # for this home is MLS# 620265.