Matthew GromadzkiInternational Real Estate

Home Listings Search Buildings New Devs Neighborhoods Sell About Work With Me

Matthew Gromadzki

International Real Estate

Matthew Gromadzki

+1 (786) 370-8570 matthew@gromadzkirealestate.com

Gromadzki International Real Estate · Miami, FL

My Listings Map Search Buildings New Developments Neighborhoods Sell With Me About Contact

The data relating to real estate for sale on this website comes in part from the participating MLS Internet Data Exchange (IDX) programs. Information is deemed reliable but not guaranteed and should be independently verified. Listings displayed may be subject to prior sale or removal; IDX information is provided exclusively for consumers’ personal, non-commercial use to identify prospective properties.

© 2026 Matthew Gromadzki · Gromadzki International Real Estate. All rights reserved. Equal Housing Opportunity.

Key Colony Sub 4 — Condos for Sale & Rent | Matthew Gromadzki

Buildings/Key Colony Sub 4

Marathon

Key Colony Sub 4

For Sale

1

For Rent

0

Median Ask

$1,700,000

Price Range

$1,700,000 – $1,700,000

For Sale at Key Colony Sub 4

10999 Ave 3rd Avenue, Marathon, FL 33050

10999 Ave 3rd Avenue, Marathon, FL 33050 photo 2

2 bd · 3 ba · 1,247 sqft

10999 Ave 3rd Avenue, Marathon, FL 33050

Key Colony Sub 4

Ask About Key Colony Sub 4

Matthew can walk you through every available line and recent sale.

By submitting you agree to be contacted about your inquiry. No spam, ever.