Diving atUllastres III (Spain)
Ullastres III provides a vibrant underwater spectacle, drawing divers with its extensive, colorful gorgonian sea fans blanketing rocky pinnacles. This site, the outermost of the three Ullastres formations, supports a rich diversity of marine life, from various small creatures to larger pelagic visitors. It's an immersive experience for those seeking abundant fish and intricate invertebrate communities in the Costa Brava.
Tonight's objective overview for Ullastres III shows an air temperature of 19.7°C. The measured surface conditions include wave heights around 0.48m. This environmental data is logged for the close of the day.
Dive Site Coordinates
41.8864, 3.2039
Dive Site Characteristics
Key Dive Site Facts
Dive Site Overview
Exploring Ullastres III reveals a captivating submerged landscape, distinguished as the most exposed and deepest of the three Ullastres pinnacles off El Far de Sant Sebastià. Rising dramatically from the seafloor, these structures begin as shallow as 7 meters / 23 feet near the surface, then plunge to maximum reported depths of 54-55 meters / 177-180 feet.
This site offers an impressive underwater topography, featuring not only natural rock formations and a prominent, gorgonian-covered wall but also several smaller wrecks integrated into the environment. Divers navigate a complex series of ledges, overhangs, and swim-throughs, which provide ample opportunities for exploration.
The extensive, colorful gorgonian sea fans create a visually stunning backdrop, while visibility frequently averages above fifteen meters, enhancing the grandeur of the site. It's a challenging yet profoundly rewarding dive, known for its dynamic marine interactions and the sheer scale of its underwater architecture, drawing experienced divers keen to explore its deeper sections and diverse habitats.
Best Time to Dive
Optimal diving conditions at Ullastres III generally occur from May through October, presenting a noticeable contrast to the cooler, rougher winter months. During this peak season, average air temperatures range from a pleasant 17.8°C / 64°F in May, peaking around 25.6°C / 78°F in August, then gradually cooling to 19.0°C / 66°F by October. Rainfall during these months is typically low, with June, July, and August often seeing less than 1.5 mm / 0.06 inches. The decreased precipitation and warmer air contribute to more favorable surface conditions and overall higher dive scores. Conversely, winter months, particularly January, March, and December, experience higher wave heights and cooler air temperatures, making the exposed nature of Ullastres III more challenging for diving.
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.
Dive Experience & Conditions
Ullastres III’s open-sea exposure significantly influences dive conditions, typically resulting in more pronounced currents compared to its more sheltered siblings, Ullastres I and II. These currents, while sometimes challenging, also contribute to the water column's richness, nourishing abundant gorgonian forests. Visibility varies, ranging from limited views to excellent distances beyond fifteen meters, allowing clear views of the extensive rock formations. During summer, a distinct thermocline often develops; surface water temperatures around 24°C / 75°F can drop noticeably to 16-18°C / 61-64°F below around twenty meters, requiring appropriate thermal protection. This dive is considered intermediate to advanced, requiring at least an Advanced Open Water certification due to its significant depth profile and potential for currents, demanding good buoyancy control and careful planning.
Dive Difficulty & Safety Guidelines
Effective depth management is a critical skill required for diving Ullastres III. The gorgonian-covered wall descends uniformly, lacking obvious features to signal a 'stop descending' point, making it easy to inadvertently go deeper. Setting a depth alarm before the dive is a practical measure to maintain control. Given the considerable depths encountered, Nitrox is recommended to meaningfully extend bottom time, especially in the mid-depth range where the wall's spectacle is most rewarding. This pinnacle is the furthest from the coast and consequently the most weather-dependent; divers should be prepared for potential cancellations if conditions deteriorate.
Recommended Equipment
No verified equipment items yet.
Verified equipment recommendations for this dive site are being reviewed and may be added as additional source checks are completed.
Recommended Dive Suit
Weather models currently point toward consistent diving conditions over the next several days.
Even in warm destinations, extended dives can gradually draw heat away from the body.
Exposure protection such as 5-7mm wetsuit is commonly used when diving in waters of this temperature. Surface intervals may feel cooler. Divers preparing to enter the water at Ullastres III will likely find temperatures around 18°C (64°F) today. Surface air temperatures are resting at 20°C (67°F).
Conditions last reviewed: 18:00 using the latest environmental data.
Dive Logistics & Preparation
Hyperbaric Chamber
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Entry Requirements
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Currency
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Nearest Airports
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Marine Life at Ullastres III
The vibrant underwater landscape of Ullastres III is dominated by extensive, colorful gorgonian sea fans that adorn its rocky pinnacles and walls. These soft corals provide a habitat for a diverse range of marine creatures. Common sightings include the elusive Moray Eel and Conger Eel, often found within crevices, alongside the well-camouflaged Scorpionfish. Divers frequently encounter schools of sea bass, mackerel, and various wrasse species. Keep an eye out for numerous nudibranchs showcasing their intricate forms, and regular visits from groupers and St. Peterfish, which add to the site's rich biodiversity. Being an offshore site, it also attracts pelagic visitors, making scanning the blue a rewarding habit.
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Frequently Asked Questions
What is the maximum depth at Ullastres III?
The maximum reported depth for Ullastres III is around 55 meters. However, a typical recreational dive range is often shallower, between 15 and 40 meters.
What certification level is needed for Ullastres III?
Ullastres III is considered an intermediate to advanced dive. A minimum certification of Advanced Open Water (AOW) is recommended due to its depth and potential for currents.
Are there currents at Ullastres III?
Yes, being an exposed open-sea site, Ullastres III often experiences more pronounced currents compared to its more sheltered neighboring pinnacles. Divers should be prepared for variable current conditions.
What marine life can I expect to see?
The site is rich with marine life, including colorful gorgonian sea fans, Moray Eels, Conger Eels, and Scorpionfish. Divers also commonly spot sea bass, mackerel, wrasse, nudibranchs, groupers, and St. Peterfish, with pelagic species visiting occasionally.
Is Nitrox recommended for this dive?
Yes, Nitrox is highly recommended for Ullastres III. It helps extend bottom time, especially when exploring the rewarding mid-depth ranges where the gorgonian walls are most spectacular.
What are the water temperatures like?
Water temperatures range from approximately 13°C / 55°F to 26°C / 79°F. During summer, a thermocline is common, with surface temperatures around 24°C / 75°F dropping to 16-18°C / 61-64°F below about 20 meters.
How good is the visibility at Ullastres III?
Visibility at Ullastres III can vary significantly, ranging from just a few meters to over thirty meters. It frequently averages beyond fifteen meters, offering generally good conditions for exploration.
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