Del. Code tit. 23, § 1511

The littoral proprietors, respectively, may own and hold all bulkheads, docks, wharves, buildings and piers that hereafter may be erected pursuant to §§ 1505-1511 of this title on the front of their littoral holdings, respectively, and may use, possess, repair and keep the same in order, and lay any steamboat, vessel or other craft at the same, and may demand, take, sue for and recover reasonable wharfage, demurrage, rent or dockage of and from any steamboat, vessel or other craft using the same, and from all persons who may use the bulkhead, docks, wharves, buildings and piers in any way whatsoever, and may also sue for and recover any damage that may be done to the same.