Before you guys choose a second site to dive on Sunday, I'd suggest checking with that site because I heard Blue Grotto had a bulkhead collapse a couple days ago and it will be closed for a little while.
Also, Devil's Den and Paradise were mentioned, both are good dives, although if I had to pick, I'd go to Paradise (but, I consider it more "overhead-like" than Ginnie, so that's something to take into account). But don't forget about the local state park springs, Troy Springs is relatively close to Ginnie and Manatee is about half an hour further away than Blue Grotto/Devil's Den and the entrance fee is only $5 instead of the typical ~$30 for commerical sites.
Ben
Also, Devil's Den and Paradise were mentioned, both are good dives, although if I had to pick, I'd go to Paradise (but, I consider it more "overhead-like" than Ginnie, so that's something to take into account). But don't forget about the local state park springs, Troy Springs is relatively close to Ginnie and Manatee is about half an hour further away than Blue Grotto/Devil's Den and the entrance fee is only $5 instead of the typical ~$30 for commerical sites.
Ben