Ferice, I don't think the problem is lack of water! Tomatos and eggplants are closely related, in my own garden they need the same kind of care, and if the problem was lack of water in your garden then they would both look poor. Instead your eggplants look well watered and your tomatos look like they are really struggling!
I wish that I could say what was possibly the problem, but Florida has a tropical climate with poor, sandy soil and a lot of pests and mold illnesses. I live thousands of miles away on a rich clay soil with a different sort of pests and few illnesses. I have probably never seen whatever is attacking your tomatos. Fortunately, a local source of advice is open to you.
As near as I can tell, every state has an Agriculture Extension Service available to give the homeowners information on their gardens. The Extension service is staffed with experts, and it is free to the citizens of your state. It is your tax dollars at work: you have ALREADY paid for their advice!
I have had good results with the Kansas Extension Service, and I suggest that you contact your Florida Extension Service: this appears to be the site for you to contact:
http://solutionsforyourlife.ufl.edu/lawn_and_garden/