Dive with sting rays, seahorses, cuttlefish, squid, urchins, rock cod and weedy sea dragons in Port Phillip Heads Marine Park. This magical marine world sits off the Mornington Peninsula, just an hour’s drive from Melbourne. Marvel at the abundance of fish, birds and seals in the tiny sanctuary of Popes Eye. Swim with dolphins at Sorrento. Drop from 8 to 18 metres, past the underwater cliffs, ledges and caves of Kelp Beds Reef. Or go even deeper at Port Phillip Heads, which offers wall dives, drop-offs and submerged World War I submarines. Learn to dive at Portsea Pier and discover a drea