Advice on Diving in United States

...Keys near Key Largo is the most easily accessible and popular diving in the United States. Florida's coasts offers a salty taste of the warm, clear turquoise waters reminiscent of the Caribbean Sea to the south. The diving industry is very competitive in south Florida from West Palm Beach through the Miami/Fort Lauderdale area, down into Key Largo to the tip of Key West. Dive professionals have thoroughly scouted out the best dive sites, in some cases there are artificial reefs that have been created to attract fish and divers. Driving along the highway you see dive flags out in the blue water...