Best Greek islands for diving

Best Greek islands for diving

Best Greek islands for diving are islands where the world drops away beneath the boat, where reefs, wrecks and walls start just offshore, where visibility runs deep and blue and every descent feels like entering a new landscape.

They are islands where diving shapes the day, with dive schools in the harbour, caves and canyons to explore, turtles and rays gliding past and harbourside tavernas waiting after, and that weightless, ear-popping feeling of surfacing into sun and salt with stories from below.

IslandDescription
MilosThere are 3 diving centers in Milos 2 of them in Pollonia – plus very interesting coastline excellent south coast water quality – spots Kleftiko Sykia Vani Klima Plathiena Arkoudes Sarakiniko Pollonia Kastanas Rema Theioryxeia Firlingos Paliochori Tsigrado Xylokeratia Mavra Gremna Patrikia – bone-white cliffs former pirate lair Kleftiko Sikia sea cave azure waters ideal – elite 3 centers 2 Pollonia + 20 spots Kleftiko Sykia azure ideal.
KeaHMHS Britannic World War I hospital ship sank 5km off Kea 1916 constructed same shipbuilders as Titanic – only advanced divers special permit – plus PADI 5 Star Dive Center Keadivers Kea Island – elite Britannic Titanic sister wreck advanced + PADI 5 Star Keadivers.
CorfuCorfu is known as cavern diving centre of the world Paleokastritsa popular stretch – Hole of Ha easy cavern dive ventures inside cliff face fossilised conch shells dripping stalactites – Chimney narrow chute 28m Colovri Cave colourful shrimp – elite world cavern centre + Hole of Ha fossilised conch stalactites.
CreteSkinaria south coast best diving Mediterranean tranquil bay seagrass-covered gorges 30m drop-off moray eels octopus visibility 40m – Elephant's Cave Chania red white stalagmites stalactites fossilised elephant – plus PADI centers – elite Skinaria 30m drop-off moray octopus 40m visibility + Elephant Cave fossilised elephant.
SantoriniNea Kameni volcanic island Santa Maria wreck 34m steel passenger ship sank Taxiarachis Bay 1975 18m under surface awaits all levels divers waters feature underwater lava formations sea caves – elite Santa Maria 34m wreck 18m all levels + lava formations sea caves.
KefaloniaHMS Perseus British submarine built 1929 sank WWII 1941 striking Italian mine 11km off coast wreck lies 52m below averages 40m – plus incredible coastline – elite Perseus submarine 52m 40m average.
MykonosPADI 5 Star Dive Resort Mykonos Diving Center Mykonos – Mykonos Diving Center established 1978 Psarou Since 2007 operating from Paradise Beach – Anna II wreck 62m cargo ship perfect playground wreck diving experts ship at 25m still great condition reef colonies sponges – elite 1978 established Paradise Beach + Anna II 62m wreck 25m reef sponges.
ZakynthosMarathonisi uninhabited island off Zakynthos main nesting zones loggerhead sea turtles diving spot graceful creatures flying fish octopus eels parrotfish – plus Navagio caves – elite Marathonisi loggerhead turtles flying fish octopus eels parrotfish.
ParosPADI 5 Star Dive Center Paros Elite Parikia Paros – H20 Diving Nomads Paros PADI Scuba Diving Snorkelling – BlueIsland Divers Antiparos – elite PADI 5 Star Paros Elite + H20 Nomads + Antiparos.
NaxosPADI 5 Star Dive Center Blue Fin Divers Naxos – Nima Dive Center Naxos – whole Aegean Sea between Naxos and Paros exceptional destination diving – elite Blue Fin Divers + Nima Dive + exceptional Naxos Paros.
KosPADI 5 Star Dive Resort Sea World Scuba Diving Center Kos Island – Kos Divers Kos PADI Scuba Diving Snorkelling – plus Pserimos Island beginner diving – elite Sea World Kos + Kos Divers + Pserimos.
RhodesPADI 5 Star IDC Resort Lepia Dive Centre Rhodes Island – PADI 5 Star IDC Resort Rhodes Diving Academy – Waterhoppers Diving Schools Rhodes – Easy Divers Rhodes – elite Lepia Rhodes Diving Academy Waterhoppers Easy Divers 4 PADI centers.
KalymnosPADI 5 Star Dive Resort Kalymnos Diving Center Kalymnos – plus world class sport climbing cliffs but diving sponge diving tradition – strong Kalymnos Diving Center + sponge diving.
IosPADI 5 Star Dive Resort New Dive Ios – plus Mylopotas Beach FarOut – strong New Dive Ios PADI 5 Star.
KarpathosPADI 5 Star Dive Center Karpathos Diving Center Karpathos Island PADI Scuba Diving TecRec Snorkelling – strong Karpathos Diving Center TecRec.
AntiparosPADI 5 Star Dive Center BlueIsland Divers Antiparos Island Cyclades – strong BlueIsland Divers Antiparos.
LerosWWII wrecks Lakki – strong WWII wrecks diving.
ChalkiChalki Dive Center Halki PADI Scuba Diving Snorkelling – strong Chalki Dive Center.
SymiTiny red shrimp but diving Marathounda – plus nearby Rhodes centers – strong Marathounda diving + Rhodes proximity.
TilosDwarf elephant cave Charkadio plus diving – strong dwarf elephant cave + diving.
NisyrosVolcano crater Stefanos hot springs Loutra underwater thermal – strong volcano thermal diving.
AmorgosAmorgos Diving Center Aegiali Bay Big Blue – strong Big Blue Amorgos Diving Center.
SkopelosSkopelos Dive Center PADI 5 Star Dive Resort PADI Open Water – strong Skopelos Dive Center 5 Star.
AlonissosNational Marine Park Alonissos monk seal – strong National Marine Park monk seal diving.

Who it suits and why

Best for travellers who want to go below snorkel depth. Best Greek islands for diving suit certified divers, wreck hunters and wall drop lovers – headed by Zakynthos for Keri Caves tunnels, Marathonisi turtle cleaning stations and Mizithres blue walls 5 to 30m, Crete for Elounda WW2 wrecks, Elephant Cave white stalactites and Chania drop offs, Rhodes for Lindos sea caves, Afandou artificial reef and Anthony Quinn Bay training bays, Corfu for Paleokastritsa caverns and Liapades reefs 12 to 40m, Milos for Kleftiko caves and Sarakiniko lava tubes only by dive boat, plus Santorini for Caldera volcanic walls and Thirassia reef 25 to 35m visibility, and Paros for Monastiri and Blue Lagoon beginner to advanced. Ideal if you want cave light rays, wrecks and 20 to 30m viz not just beach swim.

Less suited to those who want only shallow beach dips with no kit. If you want Naxos Plaka ankle deep wade and Mykonos beach club till 6am, diving islands with 8am boat, 60 to 90 euro two tank dives, PADI medical forms and surface intervals will feel too early and kit heavy.

What to keep in mind

Diving in Greece is regulated and boat based. Zakynthos, Crete, Rhodes, Corfu, Milos, Santorini, Paros have direct UK flights 3 hours 10 to 4 hours 30 May to October or via Athens 45 to 75 minutes, plus ferries Piraeus to Milos Paros Santorini 2 to 7 hours 40 to 95 euro. Dive season April to November, best June to September sea 22 to 27 degrees, air 26 to 32. Most centres run 9am and 2pm boats, two tank day 70 to 110 euro, discover scuba 60 to 80 euro, PADI Open Water 350 to 450 euro 3 days. Greek law bans dive below 40m recreational, night dive with guide only, no artefact removal.

On the ground pick base near marina. Stay Laganas or Keri Zakynthos for cave boats, Elounda or Chania Crete for wrecks and caves, Kolymbia or Lindos Rhodes for bay training, Paleokastritsa Corfu for caverns, Adamas Milos for lava tubes, Akrotiri Santorini for caldera walls, Aliki Paros for sheltered Monastiri. Book 1 day ahead July to August, bring logbook and certification card, rash vest and reef safe sunscreen, hire car 25 to 45 euro day for centre hop and go early June or late September for 26 to 28 degrees, sea 24 to 26 and fewer dive boats on site than August peak.

Sources

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    Last Updated on August 19, 2026 by admin