There’s at least one charter that goes out of Ponce inlet, I’ve been seriously considering checking it out sometime soon because it’s close enough to dive and still report to work afterwards for second shift.
Usually considered better south of Ft Pierce as Gulf Stream is closer to the coast. Probably not as attractive as the Caymans, but it would add some variety.
Shop I recommend as place I’d get fills, had equipment serviced and bought tanks and regs (I tend to be a picky customer), but as far as the diving there, can’t help much.