South facing has little significance in Florida. Florida is in the Tropics. The sun in June is 3 degrees from directly above at noon. In December it is 15 degrees off. The effect is shown in the diagram opposite. In contrast London is 55 degrees North and as shown casts a very long shadow even in mid summer.
From the table above most people are looking for shade in the summer months.
Juliesvillas pool faces westerly and is in the sun from ~10.00am to 5.00pm. As we have solar panels we do not rely on the sun to directly heat the pool