The Cross Bay Ferry is in its final weeks of service between downtown St. Petersburg and downtown Tampa, leaving supporters of the pilot project scrambling on how to identify permanent service in the region.

During a ferry update Thursday before City Council, St. Pete Mayor Rick Kriseman touted the project as a roaring success. The Cross Bay Ferry provided 57 percent more weekday rides during March than in February and 17 percent more weekend rides.

Kriseman said there is clear support for waterborne…