The Gardening Calendar gives Florida gardeners a monthly guide for what to plant and do in their gardens and includes links to useful gardening Web sites, all based on University of Florida research and expertise.
Three different editions of the calendar provide specific tips for each of Florida’s climate zones--North, Central, and South. The calendars are presented in pdf format.
http://solutionsforyourlife.ufl.edu/lawn_and_garden/calendar/
Consider using drought tolerant/salt tolerant groundcovers Beach Sunflower and Perennial Peanut in place of high maintenence, thirsty turf.