Grottoni
Protected Area
Isola di Giannutri - area terrestre e marina
Why dive here
With 74+ marine species recorded in the area - including blue sharks, dolphins, mobula rays (devil rays), oceanic whitetip sharks and ocean sunfish (mola mola) - Grottoni offers some of Sardinia's richest cave diving. Water ranges 14-27°C, warmest July, August, September.
Grottoni is a cave dive in Sardinia, offering a chance to explore a unique grotto system. Light filters in, illuminating resident slipper lobsters and nudibranchs clinging to the walls. It's a calm dive, often without much current, making it suitable for divers comfortable in overhead environments who appreciate smaller macro life. Entry is straightforward, usually by boat.
Safety Notes
Overhead environment - never enter without proper cave/cavern training, redundant equipment, and a guideline.
Reviews for Grottoni
Conditions
Ocean conditions, forecast and tides for Grottoni
Grottoni Ocean Conditions
Monthly averages for Grottoni, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (41.18, 9.42) (10km away)
October Averages
Sea Temperature
22°C
71°F · Range: 19.6–24°C
Air Temperature
18°C
65°F
Wind Speed
4.65 m/s
9.0 knots
Atmospheric Pressure
1018.1 hPa
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data
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