One of the best tech wreck in Florida; The Hydro Atlantic. resting in 175Ft of seawater the Hydro is a natural wreck. Main deck is at 145 FSW. this dive benefited from very good Viz. tech diving, deep wrecks, wreck with coral growth. easy penetrations for tech certified divers. shark visit this wreck often.a large grouper sometimes occupies the rear wheelhouse.