Lake Thonotosassa is an 839 acres (340 ha) lake that is named after the census-designated place (CDP) that it is in, which is Thonotosassa, Florida. Residential development surrounds the lake. There are no roads that cross it, but the four roads that go around it are: Taylor Road/Fort King Highway (west), Thonotosassa Road (south), McIntosh Road, (east), and Knights-Griffin Road (north). U.S. Route 301 is about a quarter-mile northeast of the lake. The lake is owned and maintained by the Tampa Port Authority.