Cavern Experience

Explore the dark side of Ustica 

Discover the hidden world beneath Ustica Island—a submerged volcano shaped by caverns, passages, and dramatic light contrasts.
Whether you’re already certified or simply curious, you can experience this “dark zone” through guided dives or dedicated training with Mare Nostrum Diving.

Cavern Dive Package

Ustica offers a unique network of underwater caves, many accessible to recreational divers.
Join our expert local guides for safe, immersive cavern dives with detailed briefings and tailored support—perfect as a focused experience or combined with your dive package.

Cavern Diver Course

Take your diving further with the PADI Cavern Diver Specialty.
Over 4 dives, you’ll explore exclusive sites, refine your skills, and gain confidence in overhead environments—enhancing both your cavern and open water diving.
Requirements: Advanced Open Water Diver certification.(Buoyancy training may be recommended.)

Ready to explore the unknown?
Step beyond the light—and into Ustica’s most fascinating side. 

Book Now