Martin County is a county located in the southeastern part of the state of Florida, in the United States. As of the 2020 census, the population was 158,431. Its county seat is Stuart. Martin County is in the Port St. Lucie, FL Metropolitan Statistical Area.
AdSee condos and townhomes for sale, connect with local experts and schedule the tour today. Realtor.com® puts the best tools in your hands. Find the perfect condos, townhomes & more
Site visitors: Over 100K in the past month
Affordability Calculator · View property flood risks · 3D Tours · Go on 3D virtual tours