Fla. Stat. § 7.10
The boundary lines of Clay County are as follows: Beginning at the west margin of the channel of the St. Johns River at its intersection with the southerly limited access right-of-way line of State Road 9-A, also known as Interstate 295; thence north 86°49'27" west on said right-of-way line to a point where said right-of-way line intersects the westerly boundary of the St. Johns River; thence south 87°54'15" west 816.30 feet; thence north 86°49'27" west 228.51 feet; thence north 86°10'22" west 891.45 feet to the beginning of a curve concave to the south and having a radius of 22,768.31 feet running westerly 1,466.89 feet along said curve through a central angle of 03°41'29" to the end of said curve; thence south 83°23'50" west 290.48 feet; thence south 64°29'41" west 145.12 feet; thence south 49°31'32" west 101.97 feet; thence south 38°21'40" west 165.23 feet; thence south 08°45'26" west 119.74 feet to an intersection with the easterly limited access right-of-way line of U.S. 17, being located south 88°33'33" west 2.37 feet of the southwest corner of Lot 12, Block 11 of Island View Subdivision, according to the plat thereof recorded in Plat Book 6, page 10, Public Records of Duval County, Florida; thence west along the line dividing townships three south and four south to the range line dividing ranges twenty-two and twenty-three east; thence south on said range line, concurrent with the eastern boundary of Baker and Bradford Counties, to the southeast corner of section twelve, township nine south, range twenty-two east; thence east on the line dividing sections seven and eighteen, eight and seventeen, township nine south, range twenty-three east to the Bellamy or federal road leading from St. Augustine to Tallahassee; thence east along the north margin of said road to the point of intersection with such margin of a westerly extension of the south boundary line of Hillcrest on the Lake, a subdivision, as same appears of record in Plat Book 2, page 52, Public Records of Clay County; thence south 89°30' east along the south boundary line of such subdivision to the southeast corner of such subdivision; thence north 0°05' east along the east boundary line of such subdivision to a point intersecting the north margin of the Bellamy Road; thence east along the north margin of said road to its intersection with the south boundary line of township seven south; thence east along said line to the west margin of the channel of the St. Johns River; thence northerly along said west margin to the place of beginning. Clay County also includes the following described parcel of land. Begin at the intersection of the north line of township four south with the easterly right-of-way line of State Road 21, also known as Blanding Boulevard, said east right-of-way line bearing north 00°02'42" west; thence north 52°48'22" east 2,239.0 feet; thence north 40°33'35" west 301.54 feet; thence north 24°10'22" east 40.18 feet to an intersection with the southerly limited access right-of-way line of State Road 9-A, also known as Interstate 295; thence along the southerly and easterly right-of-way line of said State Road 9-A the following 6 courses; thence south 66°10'44" east 1,883.20 feet to the point of curvature of a curve concave northerly and having a radius of 5,879.578 feet; thence southeasterly 2,592.53 feet along and around said curve through a central angle of 25°15'50" to the point of tangency of said curve; thence north 88°33'33" east 3,540.04 feet; thence south 78°13'41" east 219.09 feet; thence south 61°03'20" east 233.15 feet; thence south 52°38'29" east 379.68 feet to an intersection with the northerly line of said township four south; thence departing said right-of-way line, run thence west along said north line of township four south to the point of beginning.
Fla. Stat. § 7.10