Fla. Stat. § 7.49
The boundaries of Osceola County are as follows: Beginning at the northwest corner of township twenty-five south, range twenty-seven east; thence east on said township line to the northeast corner of township twenty-five south, range thirty-four east; thence south on the range line dividing ranges thirty-four and thirty-five east, to the line dividing townships thirty-two and thirty-three south; thence west on said township line to the west bank of Central and South Florida Flood Control District Canal C-38 (Kissimmee River); thence northerly along said west bank to Lake Kissimmee; thence northerly and westerly along the west shore of Lake Kissimmee to the west bank of Central and South Florida Flood Control District Canal C-37; run thence northerly along said west bank of canal to Lake Hatchineha; thence westerly, northerly and easterly along the west and north shore of Lake Hatchineha to the thread of the stream of Dead River; run thence northerly along the thread of the stream of Dead River, and Reedy Creek to the west shore of Lake Cypress; run thence northerly along said west shore of Lake Cypress to the township line dividing townships twenty-seven and twenty-eight south; thence west on said line to the range line dividing ranges twenty-eight and twenty-nine east; thence north along the range line to the southeast corner of section twelve, township twenty-seven south, range twenty-eight east; thence west along section lines to the southwest corner of section nine, township twenty-seven south, range twenty-eight east; thence north along section lines to the southwest corner of section twenty-one, township twenty-six south, range twenty-eight east; thence northwesterly through respective section and quarter section corners to the southeast corner of township twenty-five south, range twenty-seven east; thence west along township line to the point where the dividing line between ranges twenty-six and twenty-seven east intersects the line dividing townships twenty-five and twenty-six south; run thence north on the range line to the point of beginning. The shorelines of Lakes Kissimmee and Hatchineha shall be as physically present unless and until the Board of Trustees of the Internal Improvement Trust Fund shall establish bulkhead lines along the said lake shores; in which event, the said shorelines shall be the said bulkhead lines to the extent they are so established.
Fla. Stat. § 7.49