This dive site presents a unique underwater experience centered around the Portus Julius, likely protected by pylons. The area is characterized by volcanic activity, evidenced by active fumaroles – columns of gaseous bubbles rising from the seabed – which provide a clear indication of its geological origins. Sulfur deposits are widespread across the seafloor. You'll find an abundance of colonized pillars and thriving marine life throughout the dive, adding to the site’s rich biodiversity. The journey through this area offers a fascinating glimpse into a volcanic landscape.
Secca delle Fumose
Volcanic dive with underwater gas vents and Roman ruins.
Boat Access
9m Avg Depth
12m Max Depth
About this dive site
DivingFreedivingSnorkeling
Brought to you by Centro Sub Campi Flegrei Srl
Plan Your Visit
volcanic ventsarchaeologicalbeginner friendlyunique topographymacro photographyboat dive
Things to Note
Difficulty:
Beginner
Shallow maximum depth of 12 meters and minimal expected currents make it accessible for all divers.
Hazards:
boat traffic
Current Strength:
Mild
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