In case you hadn't noticed, we're pretty much surrounded by water in Florida, so it seems appropriate to give a nod to World Oceans Day, which is Saturday. At the Florida Aquarium in Tampa, activities Saturday and Sunday focus on the importance of sustainable seafood, with a scavenger hunt, the Florida Aquarium Mermaids and live presentations. Admission is $15.95-$21.95; (813) 273-4000. The Museum of Science and Industry in Tampa is using the world of Dr. Seuss to salute our oceans One Fish, Two Fish style from 10 a.m. to 2 p.m. Saturday. Admission: $21.95 adults (13-59), $17.95 child (2-12), $19.95 seniors (60+); (813) 987-6000.