Presumably as an attempt to take Fort Pickens, though this was denied by the Confederates, an attack was made on the night of October 9 (1861) on the encampment of Federal troops on Santa Rosa Island east of the fort.
Larkin, J. L.
"Battle of Santa Rosa Island,"
Florida Historical Quarterly: Vol. 37
, Article 11.
Available at: https://stars.library.ucf.edu/fhq/vol37/iss3/11