Scuba Diving at Mammuthone

Diving at Mammuthone (Italy)

Approaching Mammuthone requires an understanding of its distinct geological profile, shaped by a sheer cliff that mirrors the Sardinian mask it's named after. Expert divers know to respect the dynamic interplay of light within crevices and openings, especially when exploring deeper sections. Partnering with a local dive center is crucial; their insight ensures safe navigation and an optimal experience, particularly around the rock jump and deeper drop-offs.

Tonight's objective overview for Mammuthone shows an air temperature of 27.5°C. The measured surface conditions include wave heights around 0.4 m. This environmental data is logged for the close of the day.

Dive Site Location & Key Facts

Max Depth40m / 131ft
Entry Typeboat
Water Typesalt
Dive Types
CaveCavernDeep

Dive Site Overview

Descending into Mammuthone feels like entering a sculpted underwater gallery, where a sheer rock face, resembling the Sardinian mask, itself tells a story. A dive here initiates pleasantly in shallower waters, gradually leading divers towards a prominent crevice.

From around 15 m (49 ft) down to 30 m (98 ft), large boulders define this huge fissure, wedged into the mountain for approximately 30 m. Ambient light plays beautifully within this opening, creating an engaging visual experience. A notable feature is the presence of Neosimnia spelta, a small parasitic shellfish that reflects the coloration of its gorgonian hosts.

Beyond these initial depths, the site transitions dramatically. Pushing deeper towards a maximum depth of 40 m (131 ft), divers encounter an impressive coral bed drop-off.

This wall reveals numerous additional crevices and holes, presenting a complex topography. An underwater landscape, with its compelling geological features and varied depths, presents an immersive dive demanding good buoyancy control and an appreciation for intricate rock formations.

Mammuthone

Conditions are Good

8/10
Confidence: 8/10
Indicates meteorological model agreement and data availability.
Best Dive Window

07:00 - 14:00

Optimal conditions expected

06:12
18:45
H: 10:45
L: 16:20
Air / Sea Temp
28° / 29°
Wave Height
0.5 m
Wind Speed
32 km/h SSE
Rain Chance
0%

Current conditions near Mammuthone show 28° air, 29° sea temperature, 0.5 m waves, and 32 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Aug 4, 2026, 14:10 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

While diving at Mammuthone remains good throughout much of the year, optimal conditions typically span from May through September. During these months, the dive score is consistently excellent, largely due to warmer air temperatures and minimal rainfall. May sees average air temperatures around 19°C (66°F), rising significantly to 27-28°C (81-82°F) in July and August. Rain becomes exceptionally light during this period, averaging under 1 mm (0.04 in) per month from June to September, ensuring clearer surface conditions. In contrast, shoulder months like March and October, while still offering good diving, feature cooler air temperatures, ranging from 13-20°C (55-68°F), and slightly increased rainfall, typically around 1.5-2 mm (0.06-0.08 in). Water temperatures are not consistently reported in our system data but generally follow seasonal air temperature patterns, peaking in late summer. For stable, calm conditions and warmer surface weather, targeting late spring to early autumn is advisable.

PEAK SEASON SCORE

92/100
Excellent

Scores combine air & water temps, waves, wind & rainfall for overall conditions.


BEST MONTHS TO DIVE

JUN
JUL
AUG
DIVE SCORE
(0–100)
62
JAN
66
FEB
67
MAR
71
APR
80
MAY
91
JUN
91
JUL
93
AUG
90
SEP
84
OCT
74
NOV
68
DEC
AIR TEMP (°C)
11
12
13
15
19
25
28
27
23
20
15
12
WATER TEMP (°C)
14
14
15
16
19
23
26
27
24
22
19
16
WAVES (M)
0.8
0.6
0.7
0.6
0.5
0.4
0.4
0.4
0.5
0.6
0.7
0.7
WIND (KM/H)
23
21
22
23
21
21
23
21
22
21
23
21
RAIN (MM)
2.9
2.0
2.0
1.6
1.6
0.9
0.2
0.5
0.9
1.6
1.5
1.9
DIVE SCORE GUIDE (0–100)
Excellent (90–100)
Very Good (80–89)
Good (70–79)
Moderate (50–69)
Poor (30–49)
Not Recommended (0–29)

Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.

Dive Experience & Conditions

Diving at Mammuthone offers a varied depth profile, starting shallow and gradually deepening. Initially, passages in front of the main split host groupers, corvinas, white breams, and parrotfish, often encountered in the upper recreational range. A rock jump of about 8 m (26 ft) then leads to a sandy seabed where scorpion fish and torpedoes are sometimes observed. Moving deeper, the site features large boulders and the aforementioned crevice between 15 m (49 ft) and 30 m (98 ft). This zone provides shelter for lobsters and other invertebrates. Deeper sections, extending to the site's maximum depth of 40 m (131 ft), feature an impressive drop-off. Here, a coral bed provides more extensive crevices and holes. These deeper areas are where divers might encounter larger pelagic species, particularly migratory fish such as dorado, amberjack, and tuna. Visibility can vary, influenced by local currents, which are typically moderate.

Dive Difficulty & Safety Guidelines

Navigating Mammuthone’s intricate topography and varied depths presents distinct considerations for diver safety. All dives here are conducted via boat entry, requiring coordination with a local operator. Given site’s maximum depth of 40 m (131 ft) and presence of deep wall and cavern features, divers should possess appropriate certifications like Advanced Open Water Diver or Deep Diver for full exploration.

Adhering to PADI Standard Safe Diving Practices is paramount. Maintaining excellent buoyancy control is essential when exploring crevices and avoiding disturbance to delicate marine life or sediment.

Local conditions, including currents and visibility, are best assessed by consulting with dive professionals familiar with the site before each dive. Their guidance helps ensure a safe and enjoyable experience within this complex underwater environment.

Recommended Equipment

Deep dive hazard. Increased narcosis and gas consumption risk.

Overhead environment. Do not enter beyond training and gas planning limits.

  • Dive Computer
  • DSMB
  • Primary & Backup Lights
  • Reel / Spool
  • Cutting Tool

This gear list is based on verified equipment signals for Mammuthone, Italy. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

According to recent observations, water temperatures near Mammuthone are approximately 29°C (84°F). Surface air temperatures are resting at 28°C (82°F).

The forecast outlook suggests that temperatures will stay close to current levels.

Divers who prefer moderate insulation typically choose 2-3mm shorty or light wetsuit in similar environments. Consider warmer surface protection (like a boat coat) due to brisk winds. Many experienced divers adjust their exposure protection depending on the type of dive planned. Stronger winds may also make surface intervals feel cooler than usual.

Mammuthone conditions last reviewed: 14:10 local time (UTC+1), Aug 4, 2026

Emergency & Medical Support

Essential information to help you plan your dive trip to Mammuthone.

Hyperbaric Chamber

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.

Before diving, it's recommended to:

  • confirm nearest medical facilities
  • check emergency procedures with local dive operators
  • ensure dive insurance covers evacuation if required
24/7 Available

Divers Alert Network

Diving emergency assistance available through DAN Europe.

+39 0642115685
  • 24/7 emergency hotline
  • Diving medical assistance
  • Evacuation coordination
View official DAN emergency contacts

Emergency contacts are provided for reference. Always verify local emergency services before diving.

Closest Listed Hyperbaric Chambers

Showing listed hyperbaric chamber facilities within 200 km of this dive site. Distances are approximate straight-line distances and may not reflect emergency travel time.

+

Ospedale Paolo Merlo - Centro Iperbarico La Maddalena

ICU Capable
La Maddalena, Italy•Approx. 32 km straight-line
Facility Details
Operating Hours
08.00 - 14.00
ICU Capable
Yes
Fully equipped ICU on-site
Chamber Type
Multi - 10 posti Sistemi Iperbarici srl mod. 2300 V
Multi - 10 posti Sistemi Iperbarici srl mod. 2300 V chamber facility
Facility / Hospital
ATS Sardegna - ASSL Olbia
24/7 Listed
No

Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.

SourceEUBS / OXYNET

CENTRO IPERBARICO SASSARESE SRL

Sassari, Italy•Approx. 103 km straight-line
Facility Details
Operating Hours
08.00 - 13.00
ICU Capable
No
Chamber Type
MULTI - 12 posti Mod. 2000C Sistemi Iperbarici srl
MULTI - 12 posti Mod. 2000C Sistemi Iperbarici srl chamber facility
Facility / Hospital
OSPEDALE SANTISSIMA ANNUNZIATA AOU SS
24/7 Listed
No

Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.

SourceEUBS / OXYNET
Chamber data is sourced from self-reported EUBS/OXYNET listings and has not been independently verified by Dive Navigator. Always contact local emergency services, DAN, your dive operator, or the facility directly before travelling.
View all in Italy

Marine Life at Mammuthone

Upon entry, divers often first notice schooling fish inhabiting shallower passages in front of the Mammuthone split. Groupers, corvinas, white breams, and parrotfish are commonly observed here.

Descending further, rocky structures and crevices provide prime habitat for other species. Moray eels are frequently seen tucked away in their hideouts.

For those exploring deeper drop-offs and coral beds, a possibility of encountering larger pelagic species like tuna, dorado, and amberjack increases. Lobsters and crabs populate numerous holes, while octopus are also commonly sighted. A unique "ciprea delle gorgonie," a small parasitic shellfish, adds a distinctive touch by mirroring its gorgonian hosts.

1 / 2
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Dive Centers Near Mammuthone

IDC Sardegna
3.8 km away
5| 24 reviews
Today: 09:00 - 18:00
Sun09:00 - 18:00
Mon09:00 - 18:00
Tue09:00 - 18:00
Wed09:00 - 18:00
Thu09:00 - 18:00
Fri09:00 - 18:00
Sat09:00 - 18:00
Centro Immersioni Figarolo
4.8| 261 reviews
3.8 km
Discovery Diving Sardegna
5| 336 reviews
20 km
Areamare Diving
4.9| 168 reviews
22.5 km
Aquarius Dive Center
Aquarius Dive Center
4.9(162)• 17.6 km
Blu Infinito Diving Center
Blu Infinito Diving Center
4.8(285)• 17.5 km
Tavolara Diving Center
Tavolara Diving Center
4.8(173)• 13.2 km
Porto San Paolo Dive Center A.S.D.
Porto San Paolo Dive Center A.S.D.
4.8(63)• 13.3 km

Nearest Airports

Nearest airports to help plan travel to this dive area.

Olbia Costa Smeralda AirportOLB
16 km
Figari Sud-Corse AirportFSC
74 km
Alghero-Fertilia AirportAHO
123 km
💵Currency:EUR

Search Flights

Check available flights and routes on Expedia, using the nearby airports listed in this section.

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Frequently Asked Questions

What kind of diving can I expect at Mammuthone?

Mammuthone is primarily known for cave, wall, and cavern diving, with a distinctive large crevice. The site offers a varied topography including boulders, a unique rock jump, and extensive coral bed drop-offs.

What is the maximum depth for diving at Mammuthone?

The dive site reaches a maximum depth of 40 m (131 ft). Divers can explore shallower sections, with key features starting around 15 m (49 ft) and deeper walls extending towards the maximum.

What marine life is commonly sighted here?

Divers frequently encounter moray eels, octopus, groupers, corvinas, white breams, and parrotfish. Deeper areas offer chances to see tuna, dorado, amberjack, and lobsters.

Is Mammuthone suitable for less experienced divers?

While PADI Open Water Diver and Discover Scuba Diving are mentioned as useful training, the site's deeper sections and cavern features make it more suitable for Advanced Open Water Divers or those with deep diving experience. Local guidance is highly recommended.

How is access to the Mammuthone dive site arranged?

Access to Mammuthone is exclusively by boat. It's advisable to book activities through a local PADI dive center, which provides safe transport and guided dives.

What is the best time of year to dive Mammuthone?

The period from May to September offers excellent diving conditions, characterized by warmer air temperatures and minimal rainfall. Good diving is still possible in shoulder months, though with slightly cooler conditions.

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