For sale

Price cut: $25K (7/25)

$850,000

70 7th St, Key Colony Beach, FL 33051

2beds

1,036sqft

$5,363/mo

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Half Duplex

Built in 1959

4,356 Square Feet Lot

$828,900 Zestimate^®

$820/sqft

$-- HOA

What's special

Corian countertopsStunning open water viewsWhirlpool stainless steel appliances

Island living meets boating paradise in this updated 2-bedroom, 2-bath half-duplex in Key Colony Beach. Positioned on one of the island's widest canals, the home offers stunning open water views and exceptional maneuvering space with no homes directly across the canal. Inside, the home features Corian countertops, Whirlpool stainless steel appliances, a Rheem tankless hot water heater, and an energy-efficient multi-split Daikin A/C system. A brand-new 2025 Whirlpool washer and dryer add modern convenience. Boaters will love the ability to dock a vessel up to 50 feet with quick access to both the Atlantic Ocean and Gulf through Vaca Cut, your next fishing or sunset cruise is always minutes away. Ideally located directly across from the Key Colony Beach Golf Course and nearby tennis, pickleball, bocce courts, and playground, this property offers the perfect blend of waterfront relaxation and active island living.

194 days
323
19

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 2
Bathrooms: 2
Full bathrooms: 2

Heating

Has Heating (Unspecified Type)

Cooling

Central Air, Ceiling Fans(s)

Appliances

Included: Washer, Dryer, Dishwasher, Refrigerator, Oven, Microwave, Stainless Steel Appliance(s)

Features

Built-in Features, Storage, Quartz Countertops
Flooring: Tile, Laminate
Furnished: Yes

Interior area

Total structure area: 1,036
Total interior livable area: 1,036 sqft

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Property

Parking

Parking features: Open
Has uncovered spaces: Yes

Features

Levels: Ground Level
Patio & porch: Open Porch/Balcony, Patio
Exterior features: Storage
On waterfront: Yes

Lot

Size: 4,356 Square Feet

Details

Parcel number: 00078240000000
Zoning: R-2A - Key Colony Two Family

Construction

Type & style

Home type: SingleFamily
Property subtype: Half Duplex

Materials

Condition

Updated/Remodeled
New construction: No
Year built: 1959

Community & HOA

Community

Features: Other, Bike Paths
Security: Security Guard
Subdivision: Key Colony Bch Yacht (53.5)

HOA

Has HOA: No
Services included: None

Location

Region: Key Colony Beach

Financial & listing details

Price per square foot: $820/sqft
Tax assessed value: $694,980
Annual tax amount: $6,601
Date on market: 9/22/2026
Listing terms: Cash,Conventional

Estimated market value

$828,900

$787,000 - $870,000

$4,208/mo

Price history

Date	Event	Price
9/22/2026	Listed for sale	$850,000$820/sqft
Source: FLKMLS #619085 Report a problem
9/4/2026	Contingent	$850,000$820/sqft
Source: FLKMLS #619085 Report a problem
7/25/2026	Price change	$850,000-2.9%$820/sqft
Source: Key West AOR #619085 Report a problem
3/16/2026	Listed for sale	$875,000+237.2%$845/sqft
Source: MLKAR #619085 Report a problem
7/1/2011	Sold	$259,500-0.2%$250/sqft
Source: FLKMLS #553903 Report a problem
4/28/1998	Sold	$260,000$251/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$6,601 +2.9%	$622,855 +10%
2024	$6,418 +8.9%	$566,232 +10%
2023	$5,893 +11.1%	$514,756 +12.1%
2022	$5,302 +14.1%	$459,040 +10%
2021	$4,648 +7%	$417,309 +3.9%
2020	$4,346	$401,565 -4.5%
2019	$4,346 -2.7%	$420,533 +12.7%
2018	$4,465 +13.8%	$373,060 -12.6%
2017	$3,922 -3.1%	$426,961 +22.2%
2016	$4,047 +5.2%	$349,282 +0.1%
2015	$3,849	$349,105