Best time to go
Late May to early October
Warm water, established boat schedules, and generally easier mixedactivity planning than peak August.
Main caution: School Holiday Crowds.

Karst caverns, wartime wrecks, and turquoise coves beneath Sardinia's Supramonte
Overview
Cala Gonone is the practical base for exploring the Gulf of Orosei by local day boat, shore entry, freedive line, hiking trail, and beach shuttle. Underwater, the coast combines volcanic rock, limestone walls, natural tunnels, WWII wrecks, and Posidonia meadows. More than 20 recreational sites are described locally, with options from shallow beginner terrain to advanced wrecks and fully technical overhead systems.
The main scuba season runs from mid-May through October. June and September usually offer the best balance of warm water, workable boat schedules, and lower pressure than peak August. Non-divers can pair Bue Marino's guided show cave with cove cruises, archaeology in Dorgali, and Supramonte hikes. This is a land-based destination, not a liveaboard circuit: choose Cala Gonone for harbor access or Dorgali for an inland base, then book qualified local operators for sea conditions and specialist objectives.
Basalt canyons, limestone walls, natural galleries, caverns, and true technical cave systems create unusually varied terrain within day-boat range of Cala Gonone.
Shallow shore and open-water sites support new divers, while deeper wrecks, drift routes, sidemount, and cave training give experienced teams a credible progression.
Top species linked to approved dive spots in East Sardinia (Cala Gonone and the Gulf of Orosei).
Share what the whole destination was like. Once enough independent reviews are approved, DiveJourney publishes anonymous patterns, not reviewer profiles.
Quick shortlist before you jump into the full planning page.
Isolotti dell'Ogliastra: granite islets off Santa Maria Navarrese
KT-12 Bow deeper wreck section off Orosei
KT-12 Stern deeper wreck section off Orosei
DiveJourney destination guides are living documents built from local knowledge, operator experience, and publicly available sources. Conditions, regulations, and logistics can change. Each guide shows its last update date and sources used.
Last updated: September 4, 2026 • 29 sources
If destination data is inaccurate, stale, missing, or sourced poorly, send a factual correction. This is separate from anonymous destination reviews.
The separated bow and stern of the KT-12 reward qualified advanced divers with recognizable structure, machinery, and military history.
A Cala Gonone-based school publishes coached courses from beginner skills through deeper recreational progression during its April-to-October season.
4 linked spots
Best time to go
Late May to early October
Warm water, established boat schedules, and generally easier mixedactivity planning than peak August.
Main caution: School Holiday Crowds.