Liguria · about 3 km from Porto Venere
Grotta del Tinetto
- Max depth28 m
- CertificationCavern
Diving and fills
Dive here with
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Fills nearby
- Fill stationDiving Group PortofinoAir, nitrox (up to 40%), trimix, O₂Route ↗
- Fill stationPortofino DiversNot published — ask (technical trimix boat dives leave from here)Route ↗
What it looks like
Immersione naturalistica a Portovenere (SP): Grotta del Tinetto Porto Venere - Grotta del Tinetto - english version IMMERSIONE NELLA GROTTA DEL TINETTO 720p.mov portovenere 2011 grotta del tinetto
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Videos and posts
From other divers, via YouTube, Instagram and Facebook. They only load when you click; after that, Google's or Meta's privacy rules apply.
Immersione naturalistica a Portovenere (SP): Grotta del Tinetto Porto Venere - Grotta del Tinetto - english version IMMERSIONE NELLA GROTTA DEL TINETTO 720p.mov portovenere 2011 grotta del tinetto
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Other people's footage, not advice: how someone else dives here says nothing about what suits your team. Dive within your training.
The dive
You swim through an almost straight, gently rising passage without big obstacles. Halfway, daylight enters through the chimney that opens in the middle of the islet; in very calm seas you can briefly surface at the top.
Profile and sections
You swim through an almost straight, gently rising passage without big obstacles. Halfway, daylight enters through the chimney that opens in the middle of the islet; in very calm seas you can briefly surface at the top. The walls are covered in Parazoanthus, sponges and tube worms. Outside you see Paramuricea from -15 m, groupers and lobsters. One source gives the entrance at -12 m and the exit at -28 m.
Practical: a cavern card is recommended and a light mandatory (per logbookimmersioni.it).
- Depth and profile
- Anchor/buoy ~-22 m · entrance -18/-19 m · ~30 m passage rising gently to a chimney that reaches the surface · two side exits ('Occhi della Luna') at ~-12 m · one source gives the entrance at -12 m and the exit at -28 m
- Configuration
- Main passage ~2 m high: all configurations. The side exits take one diver at a time; easier in sidemount.
- DPV: Not DPV-suitable (estimate)
- ~30 m cave: no gain.
Who can dive where
- At least Cavern
- Configurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
- Goes down to 28 m (trimix or deco may be needed)
This is how the planner decides who in your team may dive this cave. Rules your own trip adds (organizer, a mail, the AI) show with your trip.
How to get there
By boat from Porto Venere with a local dive centre; anchor or moor on the west side of the islet (muddy bottom at ~-22 m). The islet is a military zone: do not land.
Around Grotta del Tinetto
Fills2 fill stations · nearest 61 km
Diving Group Portofino
Via Favale 25, 16038 Santa Margherita Ligure (GE)
Air, nitrox (up to 40%), trimix, O₂
Not published — ask
Own filling station with four compressors (~2,050 l/min) and ~400 cylinders, shared with the second base in Rapallo (Via Amerigo Vespucci 2C, opposite the harbour, +39 0185 1870542). Rebreather courses. Runs trips to the Grotta dei Gamberi (cavern card required for the cave). Walk-in fills for visitors: ask.
Portofino Divers
Via Jacopo Ruffini 47, 16038 Santa Margherita Ligure (GE)
Not published — ask (technical trimix boat dives leave from here)
Mon–Fri 8:00–19:00, Sat–Sun 7:30–19:30
PADI and GUE centre (e.g. GUE Fundamentals and DPV 1, PADI Tec 40–50). Technical boat dives to wrecks and deep reefs, only for trimix-certified divers or students. Daily boat dives in AMP Portofino.
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