(a) An insurance policy written by an insurer against loss or damage by windstorm, hurricane, or hail may include coverage for:
(1) a building or other structure that is built wholly or partially over water; and
(2) the corporeal movable property contained in a building or structure described by Subdivision (1).
(b) An insurer that writes coverage described by Subsection (a) may impose appropriate limits of coverage and deductibles for the coverage.