<Tr> <Td> - coordinates </Td> <Td> 30 ° 24 ′ 05" N 81 ° 24 ′ 3" W ﻿ / ﻿ 30.40139 ° N 81.40083 ° W ﻿ / 30.40139; - 81.40083 Coordinates: 30 ° 24 ′ 05" N 81 ° 24 ′ 3" W ﻿ / ﻿ 30.40139 ° N 81.40083 ° W ﻿ / 30.40139; - 81.40083 </Td> </Tr> <Tr> <Th> Length </Th> <Td> 310 mi (500 km) </Td> </Tr> <Tr> <Th> Basin </Th> <Td> 8,840 sq mi (22,900 km) </Td> </Tr> <Tr> <Th> Discharge </Th> <Td> for Mayport, Florida </Td> </Tr>

Name the waterways that help to make florida a peninsula