Cape Sounion – Temple of Poseidon Reef

Site Overview

The Temple of Poseidon Reef at Cape Sounion pairs easy, fish-filled diving with one of the most iconic backdrops in Greece: the marble temple of Poseidon glowing above the waves. The rocky reef rolls from 4 m to about 25 m, scattered with sea urchins, octopus and wrasse, and makes a perfect shallow dive or a magical night dive when the temple is lit and the octopus come out to hunt. Its position at the tip of the Attic peninsula gives it a wild, open feel, yet the site is close enough to Athens for a half-day escape. The combination of history, clear water and reliable conditions makes it a favourite of visitors who want to dive with a view, and the night version — with the temple silhouetted against the stars — is genuinely unforgettable. Cape Sounion – Temple of Poseidon Reef sits within Aegean – Saronic Gulf (Athens & Islands) and is best described as a reef and night-dive dive. The water here is typically clear, and the profile — from around 4 m down to 25 m — gives beginner divers a rewarding range of routes. Among the life you can expect are Common Octopus, Mediterranean Moray, Sea Urchin, Wrasse, Nudibranch. The site rewards a slow, observant approach, and good buoyancy keeps both diver and reef safe. With sensible planning around weather and boats, it ranks among the more memorable stops on a Greek diving trip.