770 9TH STREET Key Colony Beach, FL $ 3,850,000
770 9TH STREET
$ 3,850,000
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770 9TH STREET

Key Colony Beach, FL, 33051
$ 3,850,000
Bedrooms4 Baths3.1 Sq 3,381

Monthly Estimate*

$ 23,705

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Single Family Home for sale in Key Colony Beach, FL

for $3,850,000 with 4 bedrooms and 3 full baths, 1 half bath. This 3,381 square foot home was built in 1993 on a lot size of 0.25.

Rare opportunity to own this corner bay front 4 bedroom 3.5 bath home in the loved neighborhood of Key Colony Beach located in Marathon! This home is newly renovated with one of the best views to sit back relax and enjoy the boats going by or having quick access to the Atlantic Ocean for optimal fishing, lobstering, diving, and stunning views on the boat. With plenty of deep water and a 60 ft dock with a 20,000-pound boatlift, water and electric at the dock, and fish cleaning station, everything is ready to go for all your boating needs. But when it's time to relax enjoy the oasis of the pool that can be cooled for the summer or if you're wanting to escape a cold winter to the keys the pool can also be heated. Featuring inside there are 2 living rooms, a stunning kitchen, and custom wood stairs to go upstairs to the bedrooms, the primary has its own split stairs to its side for great privacy. There is also a mini primary bedroom with its own bathroom along with his and her closest. The property has been a very successful six figure earning rental when it is not being utilized by the owners. Having a 2 car garage, 4 car fitting driveway, and space to the left of the driveway for a boat trailer there is plenty of parking for guest and friends to come enjoy the stunning view and atmosphere of this property!

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Single Family Active

Price

$ 3,850,000

Bedrooms

4

Full Bath

3

Half Bath

1

Property Type

Single Family

Taxes

$ 14,704

Style

Single Family Residence

Lot Size

0.25

Year Built

1993

Town/City

Key Colony Beach

County/Region

Monroe

MLS | Web ID

OM719377

Features
General
Sewer Public Sewer
Heating Electric
Cooling Central Air
Utilities Cable Connected Sewer Connected Water Connected
Roof Tile
Appliances Dishwasher Dryer Ice Maker Microwave Refrigerator Washer
Zoning INC
Garage Spaces 2
Pool Features Heated In Ground
Construction Materials Stucco
Year Built 1993
View Water
Levels Two
Property Subtype Single Family Residence
Tax Year 2025
Ownership Fee Simple
Waterfront Features Bay/Harbor
County Monroe
New Construction false
Property Type Residential
Attached Garage true
Subdivision Name KEY COLONY BEACH 1ST ADD
Facing Direction South
Garage Y/N true
Total Rooms 3
Full Baths 3
Status Active
Directions headed south on overseas HWY turn left onto Sadowski CSWY then a right onto W Ocean Dr and a right onto 9th street the house is the very end on the right
City KEY COLONY BEACH
Senior Community Y/N false
MLS Area 33051 - Key Colony Beach
Lot Size Units Square Feet
Lot Size Square Feet 10750
Carport Y/N false
Listing Terms Cash Conventional
Land Lease Y/N false
Tax Annual Amount 14704.27
Additional Parcels Y/N false
Lease Considered Y/N true
Virtual Tour https://www.propertypanorama.com/instaview/stellar/OM719377
Building Area Units Square Feet
Living Area Units Square Feet
Standard Status Active
Occupancy Type Tenant
Tax Lot 33
Legal Description BK 9 N 1/2 LT 33 KEY COLONY BEACH FIRST ADDN AMD PLAT PB4-11 OR411-483 OR792-386D/C OR792-387 OR792-388 OR792-389 OR974-216 OR1201-452/65MERG OR1946-866/67 OR2699-374/75
Water View Bay/Harbor - Full
Water Access Type Bay/Harbor Canal - Saltwater Gulf/Ocean
Minimum Lease 1 Week
Water Access Y/N true
Water View Y/N true
Flood Zone Code AE8
DockY/N true
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Interior
Interior Amenities PrimaryBedroom Upstairs Stone Counters Thermostat Walk-In Closet(s)
Flooring Tile Vinyl
Furnished Y/N Turnkey
Total Stories 2
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N false
Half Baths 1
Laundry Features Laundry Room
Total Bedrooms 4
Total Baths 4
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Exterior
Exterior Amenities Private Yard
Lot Features Corner Lot
Water Source Public
Lot Size Area 10750
Foundation Details Slab
Building Area Total 4647
Lot Size Acres 0.25
Road Surface Type Paved
Private Pool true
Waterfront Y/N true
Covered Spaces 2
Road Frontage Type Street Paved
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* Excluded Features
List By
Keller Williams Cornerstone Re

Broker

kshidler@kw.com

Email

Affordability Calculator

$24,930
Per Month
95%
5%
0%
Monthly Principal & Interest
$23,705
Monthly Property Taxes
$1,225
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4827338 Elementary School
4827337 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
2/23/2026$3,850,000 Listed Price

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770 9TH STREET, Key Colony Beach, FL, 33051 is a Single Family Home for sale at $3,850,000 with 3,381 sqft and a lot size of 0.25. 770 9TH STREET has 4 bedrooms, 3.1 baths, and was built in 1993. The property's zip code is 33051 which is in Key Colony Beach, FL