Martin County on the map of Florida as of 2026. Cities, roads, borders and directions in Martin County of Florida.

Martin County is located on the Atlantic coast of Florida. This hot county was set up back in 1925. The county's total area is 556 square miles. The county seat of Martin County is Stuart. The population of Martin County reaches 160 thousand residents. This map shows the borders of Martin County as well as neighboring counties, including major highways and natural objecsts as of 2026. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of Martin County.