Scuba Diving at The Dolmen

Diving atThe Dolmen (Italy)

Divers encounter a distinctive underwater landscape at Dolmen, defined by two colossal rock formations. Rising dramatically from the seabed, these large boulders extend almost to the surface, presenting a memorable dive profile. A compelling destination for diverse dive plans, its blend of impressive geological structures and vibrant marine growth sets it apart. It accommodates various skill levels.

Evening condition tracking at The Dolmen features an air temperature of 20.3°C. We have recorded wave heights measuring 0.22m during this period. These figures outline the environmental parameters currently present.

Dive Site Coordinates

40.5722, 8.1527

Key Dive Site Facts

Max Depth30m / 98ft
Entry TypeBoat
Water Typesalt
Dive TypesCavern, Reef, Wall

Dive Site Overview

Experiencing Dolmen reveals a unique underwater geological formation. Two massive boulders characterize it, rising from a maximum depth of 30 m / 98 ft to within 8 meters of the surface.

Diving typically involves circumnavigating these vibrant dolmens, observing a rich tapestry of sponges, concretions, and corals clinging to their surfaces. Accessible for all experience levels, with an average depth around 15 meters, the site offers varied exploration. A highlight includes navigating a short tunnel; it begins at 14 meters and surfaces at 5 meters, offering an engaging swim-through.

Divers can also explore along a vibrant wall, showcasing colorful topography and macro life. Schools of barracuda and snapper frequent the area, often congregating around a small pinnacle where safety stops are commonly performed.

Combining structural interest, varied marine life, and adaptable routes, a rewarding dive awaits both novices and seasoned divers.

Best Time to Dive

Planning a dive to Dolmen is best between May and October, aligning with "Good" dive scores. During this period, air temperatures are significantly warmer, ranging from about 18.6°C / 65.5°F in May to a peak of 26.5°C / 79.7°F in July. Wave heights generally decrease, often averaging below 1.2 meters, and wind speeds are also lower, contributing to calmer surface conditions. Rainfall is minimal, especially from June to August, creating clearer skies and better visibility. While specific water temperature data isn't consistently reported, warmer air and calmer seas suggest more comfortable diving. Cooler, wetter months from November to April typically yield "Moderate" dive scores, with air temperatures dropping to around 12-15°C / 54-59°F and increased wave activity, making surface conditions less predictable.

Jan: ModerateScore: 6/10Note: Noticeable current or wind
Feb: ModerateScore: 6/10Note: Noticeable current or wind
Mar: ModerateScore: 6/10Note: Noticeable current or wind
Apr: ModerateScore: 6/10Note: Noticeable current or wind
May: GoodScore: 7/10
Jun: GoodScore: 8/10
Jul: GoodScore: 7/10
Aug: GoodScore: 7/10
Sep: GoodScore: 7/10
Oct: GoodScore: 7/10
Nov: ModerateScore: 5/10Note: Noticeable current or wind
Dec: ModerateScore: 6/10Note: Noticeable current or wind
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Excellent
Good
Moderate
Poor
Unsafe

Climate Historical Averages

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

Month
Air Temp
Max Waves
Wind Speed
Rain
January12°C2.0m26 km/h2.9 mm
February13°C2.0m24 km/h2.7 mm
March14°C1.6m24 km/h2.1 mm
April15°C1.5m22 km/h1.7 mm
May19°C1.1m19 km/h2.0 mm
June24°C0.8m19 km/h0.4 mm
July26°C1.2m20 km/h0.2 mm
August26°C1.1m20 km/h1.0 mm
September23°C1.1m20 km/h1.3 mm
October20°C1.4m21 km/h2.4 mm
November16°C2.0m23 km/h2.6 mm
December13°C2.0m22 km/h2.1 mm

Dive Experience & Conditions

Conditions at Dolmen are largely shaped by its distinctive rock formations and the marine growth they support. Currents around the dolmens and along the walls are generally mild, creating favorable conditions for observing macro life without significant effort. Visibility can vary but usually remains good, allowing divers to appreciate colorful walls and geological structures. Site layout, with its large open spaces and a manageable tunnel, makes it adaptable for varying skill levels, from PADI Open Water to Advanced Open Water divers. Sponges, corals, and varied fish species keep the walls constantly active. Surface conditions tend to be calmer during peak season, which facilitates boat entry and exit. Overall, the environment here supports a relaxed yet engaging dive.

Dive Difficulty & Safety Guidelines

Ensuring a safe and enjoyable dive at Dolmen requires careful buoyancy control, especially navigating around large rock formations and within the short tunnel. Divers should always plan their route, noting depths range from an average of 15 meters to a maximum of 30 meters. While no specific hazards are consistently reported for this site, maintaining situational awareness, particularly regarding other divers in the tunnel section, is always a prudent practice. Carrying a dive torch comes highly recommended for exploring the interior of the tunnel and appreciating intricate reef details. Always dive within your certification limits and consider your dive buddy's experience. Consulting with local dive professionals familiar with present site conditions before entry is also advised.

Recommended Equipment

No verified equipment items yet.

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Verified equipment recommendations for this dive site are being reviewed and may be added as additional source checks are completed.

Recommended Dive Suit

Subtle variations in currents or depth can sometimes influence perceived water temperature.

5mm wetsuit tends to perform well in water temperatures like those currently observed here. Surface intervals may feel cooler. Environmental models indicate a modest warming trend ahead. A warming trend is expected over the next few days.

Current temperature readings suggest that the water at The Dolmen is around 18°C (65°F). Surface air temperatures are resting at 20°C (69°F).

Conditions last reviewed: 18:00 using the latest environmental data.

Dive Logistics & Preparation

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Hyperbaric Chamber

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Entry Requirements

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Currency

EUR

Nearest Airports

Nearest airports to help plan travel to this dive area.

✈️Alghero-Fertilia AirportAHO
13 km
✈️Olbia Costa Smeralda AirportOLB
121 km
✈️Figari Sud-Corse AirportFSC
130 km

Marine Life at The Dolmen

A vibrant marine ecosystem thrives at Dolmen, supporting a variety of fascinating species. Divers commonly encounter moray eels peering from crevices and camouflaged scorpionfish resting on the reef. Schools of barracuda and snapper frequently circle the pinnacle during safety stops, creating dynamic displays. Look closely for nudibranchs, adding splashes of color to rock surfaces. Groupers are often spotted sheltering among the boulders, while porter crabs scuttle along the bottom. Rich sponges, concretions, and corals forming the habitat also house numerous smaller creatures, acting as a backdrop for the larger inhabitants.

Dive Centers Near The Dolmen

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Frequently Asked Questions

Is The Dolmen suitable for beginner divers?

Yes, Dolmen is considered suitable for all experience levels, including beginners holding an Open Water Diver certification. An average depth of 15 meters and manageable currents contribute to its accessibility.

What kind of geological features can I expect to see?

Expect two massive dolmens, large rock formations rising dramatically from the seabed. You'll also encounter colorful walls, sponges, corals, and a short swim-through tunnel.

What is the maximum depth at this dive site?

Maximum depth at Dolmen reaches 30 meters. However, many interesting features, including the tunnel, are found at shallower depths, offering versatility for divers.

Are there any strong currents at The Dolmen?

While specific current strengths are not consistently reported, conditions are generally described as calm. This usually allows for a relaxed drift or easy navigation around the site.

What marine life is commonly seen here?

Divers often spot moray eels, scorpionfish, and large schools of barracuda and snapper. Keep an eye out for nudibranchs, groupers, and porter crabs among the colorful corals and sponges.

Is a dive torch necessary for The Dolmen?

Yes, a dive torch is highly recommended. It will enhance your ability to explore the short tunnel and highlight the vibrant colors and macro life found in darker crevices and overhangs.

Liveaboards Sailing to The Dolmen

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