If you remember that drought tolerant plants can tolerate long, dry periods after becoming established, the following are a few that should do well for you: Aloe, Natal Plum, Silverthorn, Weeping Lantana, Yaupon Holly, Simpson’s Stopper, Century plant, Seagrape, Inkberry, Yucca, Coontie, Wax Myrtle, and Silver Buttonwood. (All of these are both drought tolerant and moderately to highly salt tolerant.)

Additional Resource 

http://edis.ifas.ufl.edu/EP012

http://edis.ifas.ufl.edu/EP107

http://www.floridayards.org/fyplants/index.php