Stuart is the only incorporated city of Martin County, Florida, on Florida's Treasure Coast. The population was 14,633 at the 2000 census. As of 2007, the population recorded by the U.S. Census Bureau is 15,964. Stuart is the county seat of Martin County. It is part of the Port St. Lucie, Florida Metropolitan Statistical Area.

Stuart is located at 27°11′32″N 80°14′35″W / 27.192163°N 80.243001°W / 27.192163; -80.243001.

According to the United States Census Bureau, the city has a total area of 8.5 square miles (22 km²), of which, 6.3 square miles (16 km²) is land and 2.2 square miles (5.7 km²) is water.

The average rainfall per year is 58 inches (150 cm). The US average is 37 inches (94 cm). It rains on average during 134 days a year. The average amount of sunny days is 236 annually. Its climate is closely bordering a Humid Subtropical climate, though its main climate is a tropical savanna climate. The average July high temperature is 90.2 °F (32.3 °C). With an average January low temperature of 75 °F (24 °C), there is no snowfall.

Florida (ⁱ/ˈflɒrɪdə/) is a state in the southeastern United States, bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. Florida is the 22nd most extensive, the 4th most populous, and the 8th most densely populated of the 50 United States. The state capital is Tallahassee, its largest city is Jacksonville, and the South Florida metropolitan area is the largest metropolitan area in the southeastern U.S.

Much of Florida is situated on a peninsula between the Gulf of Mexico, the Atlantic Ocean, and the Straits of Florida. Its geography is marked by a coastline, by the omnipresence of water and the threat of hurricanes. Florida has the longest coastline in the contiguous United States, encompassing approximately 1,350 miles (2,170 km), and is the only state to border both the Gulf of Mexico and the Atlantic Ocean. Much of the state is at or near sea level and its terrain is characterized by sedimentary soils. The climate varies from subtropical in the north to tropical in the south. Its symbolic animals like the American alligator, Florida panther and the manatee, can be found in the Everglades, one of the most famous national parks in the world.