
Diving atBoya 4 - el Toro (Spain)
Boya 4, an integral part of the El Toro Marine Reserve, features dramatic underwater topography. A natural rock platform begins at depths of approximately 6-7 meters, then descends gradually to a maximum reported depth of 40 m / 131 ft. Such a varied structure creates a diverse environment, ranging from shallower reef sections to deeper walls, making it accessible for varying skill levels.
Evening condition tracking at Boya 4 - el Toro features an air temperature of 24.5°C. We have recorded wave heights measuring 0.6 m during this period. These figures outline the environmental parameters currently present.
Dive Site Location & Key Facts
Everything you need to know about this dive site.
Dive Site Overview
Exploring Boya 4 offers a comprehensive dive experience within the El Toro Marine Reserve, recognized as one of the Balearic Islands' productive and biodiverse sites. Its status as a protected area fosters a vibrant ecosystem, creating exceptional encounters.
A natural rock platform, starting around 6-7 meters, gradually descends to a maximum depth of 40 meters, or over 130 feet. This extensive topography supports varied environments, from sunlit, shallower reef sections with smaller species to the intriguing volcanic rock formations of its deeper walls. Such diverse underwater landscapes make Boya 4 accessible for different certification levels, ensuring both novice and advanced divers find suitable exploration opportunities.
Dive profiles are tailored to observe intricate reef ecosystems or navigate dramatic drop-offs, often revealing larger pelagic species. An impression of sustained ecological health prevails, where protection measures visibly contribute to a rich underwater world.
Outstanding visibility often enhances immersion and discovery across the site's habitats. Understanding the unique geological structure helps divers appreciate the layers of life it sustains.
Boya 4 - el Toro
Conditions are Excellent
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near Boya 4 - el Toro show 25° air, 24° sea temperature, 0.1 m waves, and 10 km/h wind. Forecast data is refreshed regularly to ensure accuracy.
Best Time to Dive
Seasonal changes distinctly shape Boya 4's diving experience, allowing for year-round exploration with varying conditions. August brings peak warmth, with water temperatures typically reaching 26°C / 79°F. This timeframe often coincides with calmest surface conditions, characterized by minimal rainfall and average wave heights around half a meter, or less than two feet. Such stability enhances visibility and diver comfort. As autumn progresses, water temperatures gradually cool, remaining pleasant into October. Winter, from December to February, sees water temperatures drop to around 18°C / 64°F, while average air temperatures hover between 13-14°C / 55-57°F in January and February. Cooler, winter dives can offer unique visibility due to fewer divers and clearer plankton-free waters. For those prioritizing warmer waters and consistently calmer seas, the late spring through early autumn window, generally May to September, presents the most favorable conditions. Consider factors beyond temperature, like local holiday seasons and boat traffic, when planning a visit.
PEAK SEASON SCORE
Scores combine air & water temps, waves, wind & rainfall for overall conditions.
BEST MONTHS TO DIVE
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
Underwater, Boya 4 presents a varied environment where conditions generally support a rewarding dive. Visibility often proves exceptional, frequently extending up to 30-35 m / 98-115 ft, which allows for expansive views of the site's rich topography and marine inhabitants. Navigating the site is typically straightforward, aided by distinct rock formations and extensive Posidonia meadows providing clear markers. Its underwater landscape transitions from gentle, sloping areas, ideal for less experienced divers, to more dramatic drop-offs and walls explored by those with advanced certifications. Divers should be mindful of intermittent currents, which can occur, particularly in areas attracting marine life concentrations. These currents, while usually manageable, add a dynamic layer, requiring attention to buoyancy and positioning. Boya 4 accommodates a range of skill levels; however, those venturing into deeper sections or areas prone to current should possess appropriate experience and comfort. A careful exploration of this location rewards divers with diverse sights at varying depths.
Dive Difficulty & Safety Guidelines
Successful dives at Boya 4 depend on careful planning and adherence to established protocols. Divers must remain aware of potential currents, which can appear intermittently and affect dive profiles, particularly near deeper formations. As part of the El Toro Marine Reserve, strict local regulations apply; these measures prohibit activities such as fishing, spearfishing, or collecting any marine specimens. Protecting delicate Posidonia meadows is paramount; divers need excellent buoyancy control to prevent accidental contact or damage. Acknowledging the natural variability of marine conditions is also important. Detailed dive site planning, especially concerning weather and sea state, is often finalized only in the week preceding the dive. Such real-time assessments ensure the safest and most enjoyable experience. Always dive within your certification limits and consider local dive operators' recommendations, who possess current site knowledge.
Recommended Equipment
Deep dive hazard. Increased narcosis and gas consumption risk.
- Dive Computer
- DSMB
- Primary & Backup Lights
This gear list is based on verified equipment signals for Boya 4 - el Toro, Spain. Always confirm final gear choices with your dive operator, guide, or liveaboard.
Recommended Dive Suit
The latest conditions reported around Boya 4 - el Toro place the water temperature close to 24°C (75°F). Surface air temperatures are resting at 25°C (76°F).
Many divers choose 3-5mm wetsuit when diving in similar conditions. Consider warmer surface protection (like a boat coat) due to brisk winds.
Surface conditions are expected to warm up slightly in the coming days. A warming trend is expected over the next few days.
Due to technical issues with our weather providers, data hasn't been fetched for over 48 hours. The data above reflects the conditions at the time of the last successful fetch.
Emergency & Medical Support
Essential information to help you plan your dive trip to Boya 4 - El Toro.

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
Divers Alert Network
Diving emergency assistance available through DAN Europe.
+39 0642115685- 24/7 emergency hotline
- Diving medical assistance
- Evacuation coordination
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.
Underwater and Hyperbaric Medicine
Palma de Mallorca, Spain•Approx. 19 km straight-line
Underwater and Hyperbaric Medicine
Facility Details
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.
Marine Life at Boya 4 - el Toro
Boya 4's underwater landscape, characterized by extensive Posidonia meadows and intricate volcanic rock formations, supports a rich diversity of marine life. Divers frequently observe various nudibranchs, crabs, and octopi, often found tucked into rock crevices. Larger species, such as groupers and barracudas, patrol deeper sections, while moray eels, scorpionfish, cardinalfish, and sea bream are common sights among rocks and seagrass. Its rich environment supports a 'great explosion of life', particularly where currents converge.
Dive Sites Near Boya 4 - el Toro
View all dive sites in SpainDiscover more underwater gems in this area.
Dive Centers Near Boya 4 - el Toro
Working Hours
Today: Closed
Big Blue Diving
H2O Scuba Academy
Ikigai Scuba Mallorca
Octopus Mallorca
Nearest Airports
Nearest airports to help plan travel to this dive area.
Search Flights
Check available flights and routes on Expedia, using the nearby airports listed in this section.
Search Flights on ExpediaFrequently Asked Questions
What is the maximum depth at Boya 4?
Boya 4 reaches a maximum reported depth of 40 meters. Such a depth range accommodates divers with various certifications, from Open Water, which typically allows dives to 18 meters, up to Advanced Open Water for deeper explorations.
What level of diving experience is recommended for Boya 4?
Boya 4 is suitable for a wide range of divers, from novice to experienced. Its varied depths and features, including a gradual rock platform and deeper sections, allow for different dive profiles.
What kind of marine life can I expect to see?
Divers commonly encounter groupers, barracudas, moray eels, and various smaller reef inhabitants like nudibranchs, crabs, and octopi. Posidonia meadows are particularly rich in species such as cardinalfish and sea bream.
Are there currents at Boya 4?
Yes, currents can sometimes be present at Boya 4. These can vary in strength and may influence dive planning, particularly in areas where marine life congregates.
What is the typical water visibility?
Visibility at Boya 4 is often excellent, with reports indicating it can extend up to 30 meters, or over 100 feet. Clear conditions provide expansive views of the underwater landscape and its inhabitants.
Is Boya 4 part of a marine reserve?
Yes, Boya 4 is located within the El Toro Marine Reserve. This designation helps protect its abundant marine life and ensures a healthy ecosystem for divers to explore.
Planning to dive Boya 4 - el Toro?
Send one inquiry and receive offers directly from the best verified local dive operators.
Boya 4 - el Toro
Conditions are Excellent
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near Boya 4 - el Toro show 25° air, 24° sea temperature, 0.1 m waves, and 10 km/h wind. Forecast data is refreshed regularly to ensure accuracy.












