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340 10th St #KEY colony, Key Colony Beach, FL 33051

$855,000

Last sold 01/23/2026 after 191 Days

2
bed
2
bath
900
Sqft ($950/Sqft)

House not for sale

About 340 10th St #KEY colony

Property type House

Year built 1970

HOA fee $0/month

Lot size 4,138 Sqft

Movoto estimate

Property description

Welcome to 340 10th St — a beautifully updated canal-front half-duplex in Key Colony Beach. This 2-bed, 2-bath home is fully furnished and move-in ready, with a sleek open-concept layout across 900 sq ft. Recent upgrades include impact windows and doors, a new roof (2024), updated dock with spalling repairs (2024), new plumbing (2018), new AC systems (2021), and updated electrical (2018). This turnkey property also operates as a successful rental unit. An optional membership with access to a private swim and beach-club. This property also sits uniquely on a canal-front offering quick access to both ocean-side and the Gulf. A rare opportunity to own a secure, modern slice of paradise in the Florida Keys.

Listed by

Listing Agent - John Christian Maderal

Listing Office - Compass Florida, LLC

Source: FKBOR MLS

MLS#615803 • last updated 9 months ago

Movoto checked FKBOR MLS for data 1 hour ago

Overview
MLS #	615803
Type	Residential
SqFt	900
Status	Closed
SubType	Half Duplex
Lot Size (Sqft)	4138
Lot Size (Acres)	0.09
Property Tax	6027.11
Year Built	1970
Condition	Updated/Remodeled

Interior
Total # of Bathrooms	2
# of Full Baths	2
Total # of Bedrooms	2
Appliances	Washer, Dryer, Dishwasher, Refrigerator, Range, Oven, Microwave

Exterior
Construction	CBS
Patio/Porch	Deck, Patio

Amenities / Utilities
HOA Fee Includes	Common Area Mnt

Location
County	Monroe
Subdivision	Key Colony Bch 1st Addn Amd Plat (53.5)
APN	00076050-000100
Zoning	R-2A - Key Colony Two Family

Multifamily Details

$840K

Range: $756K-$924K

Last 30 days

Lower your payment with the loan terms that fit you.

Jan 2026
Public Records
Jan 30, 2026 Sold
$855,000
Jan 2026
MLS # 615803
Jan 23, 2026 Sold
$855,000 (-2.6%)
Nov 15, 2025 Price Change
$878,000 (-1.1%)
Oct 10, 2025 Price Change
$888,000 (-1.3%)
Jul 15, 2025 Listed
$899,999 (+167.5%)
Oct 2018
Public Records
Oct 4, 2018 Sold
$336,500 (-24.0%)
Aug 2017
Public Records
Aug 1, 2017 Sold
$443,000
Jul 2017
MLS # 573962
Jul 20, 2017 Sold
$443,000 (-2.9%)
Jun 7, 2017 Contingent
—
May 31, 2017 Listed
—
May 1, 2017 Contingent
—
Apr 13, 2017 Price Change
$456,000 (-4.2%)
Apr 7, 2017 Price Change
$476,000 (-2.1%)
Mar 10, 2017 Price Change
$486,000 (-6.5%)
Feb 20, 2017 Price Change
$520,000 (-7.1%)
Jan 27, 2017 Listed
$560,000 (+19.4%)
Aug 2016
MLS # 568434
Aug 5, 2016 Sold
$469,000
Aug 5, 2016 Price Change
$469,000
Sep 9, 2015 Listed
—
Aug 2016
Public Records
Aug 3, 2016 Sold
$469,000

Year Property taxes Tax assessment
2024
$6,027 +6.3%

$666,436 +2.08%
2023
$5,668 +11.7%

$652,857 +16.08%
2022
$5,073 +13.3%

$562,410 +40.6%
2021
$4,476 +6.0%

$400,012 +2.9%
2020
$4,222 -0.2%

$388,751 -0.27%
2019
$4,232 +13.2%

$389,822 +10.29%
2018
$3,740 -6.6%

$353,450 -9.96%
2017
$4,006

$392,544

340 10th St #KEY colony
$855K
—
33051
$950K +8% y/y
Key Colony Beach
$950K +7% y/y

No chart available

Statistics calculated by Movoto

	Est. value	Bed/bath	Sqft	mi
350 10th St, Key Colony Beach, FL 33051	$915,000	2/2	900	0
330 10th St, Key Colony Beach, FL 33051	$1,296,000	3/2	1,577	0.01
360 10th St, Key Colony Beach, FL 33051	$1,751,000	2/2	1,944	0.01
370 10th St, Key Colony Beach, FL 33051	$1,622,000	3/3	1,681	0.01
320 10th St, Key Colony Beach, FL 33051	$1,436,000	3/2	1,577	0.02
380 10th St, Key Colony Beach, FL 33051	$1,097,000	2/2	1,050	0.03
300 10th St, Key Colony Beach, FL 33051	$1,334,000	3/2	1,577	0.03
351 10th St, Key Colony Beach, FL 33051	$1,334,000	3/3	1,269	0.03

Estimated values are based on public record data and automated valuation models. Values are not guaranteed and may not reflect current market conditions.