Current projects
Eight sites. One map.
Every project follows one template: a question, partners, a method, results and what comes next.
Phreatic is a non-profit of cave divers and scientists exploring, documenting and protecting the karst aquifers and sea caves of the Gulf of Orosei.
Years in the field
since 2014
Divers
from 20 countries
Cave mapped
and counting
Partner universities
research collaborations
Why it matters
Groundwater is Sardinia’s drinking water. The caves are how we see it.
Marine caves are listed “Data Deficient” on the EU Red List. We collect the data.
Less than 7% of the Mediterranean coast is protected. Knowledge comes before protection.
Current projects
Every project follows one template: a question, partners, a method, results and what comes next.
Choose your path
Study sites, data we can collect, past collaborations.
Propose a collaboration →02Universities, parks, municipalities and water authorities.
Start a partnership →03Impact numbers, visibility, and what your support buys.
See the sponsor pack →04Divers, students and support crew: join a project session.
Apply for a session →05Stories, images, 3D and VR, and the press kit.
Read the stories →Latest
Research, exploration and documentation at Su Gologone in August 2026: a full team of divers, scientists and support crew.
A memorandum of understanding opens eDNA work on the biodiversity of the Gulf of Orosei’s caves.
Survey teams add 701 m of new dry passage to the map of Cala Luna.
Partners
Halcyon
