We track 8 dive operators in Porto Ercole. 1 teach certification courses (2 PADI, 1 SSI). 2 run snorkelling trips. 1 offer accommodation alongside diving. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
Diving Isola del Giglio is a long-standing dive center located on Giglio Island that offers recreational and technical diving experiences. The operator provides boat trips, equipment rental, and a variety of training courses for all levels.
Calacupa Diving Isola del Giglio offers guided dives and boat trips around the island. They also provide snorkeling tours with multiple stops.
Campese Diving Center is a PADI-certified dive center located on the island of Giglio. They offer diving courses, guided dives, and equipment rental. Their services cater to both beginners and experienced divers.
The 8 highest-ranked of 8. How Fin Rank works
| Rank | Operator | TripAdvisor | Discovery dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | Diving Isola Del Giglio | 4.7(34) | none | $97 | PADI · SSI | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.


Fin lists 8 dive operators in Porto Ercole. 1 of them run certification courses.
PADI is the most common agency (2 centres), followed by SSI (1).
1 operator in Porto Ercole offers accommodation alongside diving.
2 of the 8 operators we track run snorkelling tours.
Operators are sorted by Fin Rank, a 100-point profile strength score: contact details, what they offer, the dive sites they run, their Google reputation, whether the owner has claimed the listing, and whether their own website links to Fin. 0 listings here are owner-verified. The formula is published in full on the Fin Rank page.
| 2 | International Diving | 5.0(48) | 4.9 | none | none | Visit |
| 3 | Calacupa Diving Isola del Giglio | 5.0(1) | none | none | none | Visit |
| 4 | Max Shark Diving | 4.9(78) | 4.4 | none | none | Visit |
| 5 | Zero Meno Diving Center | 4.9(55) | 4.8 | none | none | Visit |
| 6 | Campese Diving Center | none | 4.9 | none | PADI | Visit |
| 7 | Campese Diving schools | none | none | none | none | none |
| 8 | Lily Sub | none | none | none | none | none |
