The state's chief importance was as a source of cattle and other food supplies for the Confederacy, and as an entry and exit location for blockade-runners who used its many bays and small inlets to evade the Union Navy.
As the war progressed and southern resources dwindled, forts and towns along the coast were increasingly left undefended, allowing Union forces to occupy them with little or no resistance.
[8] By January 1860, talk of conflict had progressed to the point that Senators Stephen Mallory and David Levy Yulee jointly requested from the War Department a statement of munitions and equipment in Florida forts.
[21] Individuals who opposed secession included Conservative plantation owner and former Seminole War military commander Richard Keith Call, who advocated for restraint and judiciousness.
Jackson Morton and George Taliaferro Ward attempted to have the ordinance amended so that Florida would not secede before Georgia and Alabama, but their proposal was voted down.
This pivotal event effectively divided the Confederacy at the Mississippi River, making it impractical for the eastern armies to receive essential supplies from the western regions.
The 8,436-mile coastline and 11,000 miles of rivers, streams, and waterways proved a haven for blockade runners and a daunting task for patrols by Federal warships.
The trade that did continue, the majority of which went through Cuba and Florida, included the exportation of cotton and importation of food, cigars, medical supplies and Spanish army surplus shoes.
USS Hatteras had blockade duty in Apalachicola, and, in January 1862, was part of a Union naval force which landed in Cedar Key and burned several ships, a pier, and flatcars.
This riverine blockade force not only prevented Confederate troop and supply movements, it also became a pick-up point for rebel deserters and pro-Union Floridians.
[39] Beginning in 1862, Union military activity in East and West Florida encouraged enslaved people in plantation areas to flee their owners in search of freedom.
The appearance of black soldiers as part of the garrison there helped further convince the Native Americans to work with Federal troops rather than their Confederate counterparts.
At least two specimens, or proofs, were created by Peter Hawes of New Orleans but it was Hoyer & Ludwig of Richmond, an already established security printer for the Confederacy, who ended up with the contract to produce the notes.
Deserter bands attacked Confederate patrols, launched raids on plantations, confiscated slaves, stole cattle, and provided intelligence to Union army units and naval blockaders.
In 1864, a Confederate colonel tasked with hunting down deserters, broke into Strickland's home and found a membership list of 35 men who "bear true allegiance to the United States of America."
[46] Despite this, the state raised some 15,000 troops for the Confederacy, which were organized into twelve regiments of infantry and two of cavalry, as well as several artillery batteries and supporting units.
[47] In 1862, the Florida House of Representatives established a Committee on Indian Affairs in an effort to improve relations with the Seminole and prevent them from fighting on the side of the Union.
[50] On January 10, 1861, the day Florida declared its secession, Union general Adam J. Slemmer destroyed over 20,000 pounds (9,100 kg) of gunpowder at Fort McRee.
On October 9, Confederates, including the 1st Florida Infantry, commanded by convention delegate James Patton Anderson, tried to take the fort at the Battle of Santa Rosa Island.
[58] At Fredericksburg, the 8th regiment, whose Company C was commanded by David Lang protected the city from General Ambrose Burnside, contesting Federal attempts to lay pontoon bridges across the Rappahannock River.
It suffered heavy fire from Lt. Col. Freeman McGilvery's line of artillery, and lost about 60% of its 700 plus soldiers when attacked on one flank by the 2nd Vermont Brigade of Brig.
Under the cover of shelling that continued intermittently for three days, a detachment of Union forces landed in secret and marched several miles to where two blockade running ships owned by former Tampa mayor James McKay Sr. were hidden along the Hillsborough River.
A brief but sharp skirmish erupted as the raiding party attempted to board their boats and row back to the Tahoma, with the ship supporting the troops in the water by firing shells over their heads at the Confederates on shore.
Seymour's relatively high losses caused Northern lawmakers and citizens to question the necessity of any further Union actions in militarily insignificant Florida.
Throughout the balance of 1864 and into the following spring, the 2nd Florida Cavalry repeatedly thwarted Federal raiding parties into the Confederate-held northern and central portions of the state.
In March 1864, James McKay wrote the state to say he was unable to secure cattle as his blockade runners had been destroyed during the Battle of Fort Brooke.
[70] Horse Landing Convention delegate James O. Devall owned General Sumpter, the first steamboat in Palatka, which was captured by USS Columbine in March 1864.
On May 21, spy Lola Sanchez got wind of a Union raid, and the Columbine was captured by Dickison's forces at the "Battle of Horse Landing".
Yulee was imprisoned for helping Jefferson Davis escape, and Lesley hid Judah Benjamin in a swamp before he fled to the Gamble Mansion.
After meeting the requirements of Reconstruction, including ratifying amendments to the US Constitution to abolish slavery and grant citizenship to former slaves, Florida's representatives were readmitted to Congress.