770 9th Street, Key Colony Beach, FL 33051

Local realty services provided by:Better Homes and Gardens Real Estate Lifestyles Realty
770 9th Street,Key Colony Beach, FL 33051
$3,850,000
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  • 4 Beds
  • 4 Baths
  • 3,381 sq. ft.
  • Single family
  • Active
Listed by: kim hiers
Office: keller williams cornerstone re
MLS#:OM719377
Source:MFRMLS

Price summary

  • Price:$3,850,000
  • Price per sq. ft.:$828.49

About this home

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.

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Home facts

  • Year built:1993
  • Listing ID #:OM719377
  • Added:1 day(s) ago
  • Updated:February 25, 2026 at 01:05 PM

Rooms and interior

  • Bedrooms:4
  • Total bathrooms:4
  • Full bathrooms:3
  • Half bathrooms:1
  • Living area:3,381 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Electric

Structure and exterior

  • Roof:Tile
  • Year built:1993
  • Building area:3,381 sq. ft.
  • Lot area:0.25 Acres

Utilities

  • Water:Public, Water Connected
  • Sewer:Public Sewer, Sewer Connected

Finances and disclosures

  • Price:$3,850,000
  • Price per sq. ft.:$828.49
  • Tax amount:$14,704 (2025)
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