Fla. Stat. § 163.3179

A local government may include in its comprehensive plan a provision allowing the use of a parcel of property solely as a homestead by an individual who is the grandparent, parent, stepparent, adopted parent, sibling, child, stepchild, adopted child, or grandchild of the person who conveyed the parcel to said individual, notwithstanding the density or intensity of use assigned to the parcel in the plan. Such a provision shall apply only once to any individual.