Just east of the Bay of Pigs is Playa Giron. The international dive centre here deals mainly in shelf diving with additional trips out to local deep caves in the region. The main attractions of this Cuba dive site are the sheer drop offs near shore which are punctuated with swim throughs, making for memorable shore dives. The site has some shallow shore dives to initiate beginners, while more experienced divers will be enamoured by the inland cave dives available.
Because of the distance from Havana (a road transfer will take upwards of 4 hours), I would recommend staying in one of the Hotel Playa Giron’s 290 rooms. It’s certainly popular with Cuba’s divers – indeed; in 1994 a ship was deliberately sunk for the benefit of the diving population.