CASTILLO SAN MARCOS - Al Hoceima
Castillo San Marcos isn't your typical deep, dramatic wreck dive, and that's precisely why we love it. This isn't about bragging rights on depth, it's about pure, unadulterated exploration in bath-warm water. We found the old trawler lying just four metres down, a skeleton of twisted metal and decaying wood, making it our favourite spot for a long, relaxed second dive. Even though it’s shallow, there’s plenty to get lost in. We spent ages poking around the superstructure, watching the light play through the broken hull. Schools of juvenile seabream shimmer around the edges, and we spotted several octopus tucked into crevices, their eyes watching us with unnerving intelligence. It’s perfect for new divers getting their first taste of a wreck, or photographers wanting to play with ambient light without the pressure of a ticking no-deco limit. Go on a sunny afternoon, when the visibility is at its best and the wreck almost glows.
- Location
- Al Hoceima, Morocco, Mediterranean & Europe
- Coordinates
- 36.067350, -5.743667
- Type
- wreck
- Maximum Depth
- 4m
Marine Protected Area: Littoral de Jbel Moussa
Best Time to Dive in Al Hoceima
The warmest water temperatures in Al Hoceima occur in January, averaging 16.4°C. The coolest conditions are in December at 16.4°C.
Monthly Water Temperatures
- January: 16.4°C (air: 13.6°C)
- February: 16.4°C (air: 14.8°C)
- March: 16.4°C (air: 15.7°C)
- April: 16.4°C (air: 17.3°C)
- May: 16.4°C (air: 19.9°C)
- June: 16.4°C (air: 22.5°C)
- July: 16.4°C (air: 25.8°C)
- August: 16.4°C (air: 26.3°C)
- September: 16.4°C (air: 23.9°C)
- October: 16.4°C (air: 20.9°C)
- November: 16.4°C (air: 17.6°C)
- December: 16.4°C (air: 15.2°C)
Nearby Dive Sites in Al Hoceima
- ALECOS - 10m (wreck)
- ALEX - 17m (wreck)
- ALFREDO - 6m (wreck)
- ALGIBE A3 - 30m (wreck)
- ALTONA - 2m (wreck)
- ARALAR - 3m (wreck)
- ARANDA CHICO - 2m (wreck)
- ARRAYA MENDI - 15m (wreck)
- Arrecife del Cañaveral (reef)
- ARUNDALE - 1m (wreck)
- ASTENE III - 14m (wreck)
- BADALONA - 1m (wreck)
- BLACKHEATH - 6m (wreck)
- BRIDGET CAROLINE - 6m (wreck)
- Cala Iris - 5-20m
Nearest Dive Centres to CASTILLO SAN MARCOS
- Abysub - ["PADI"]
- Almunecar Dive Center - ["PADI"]
- Black Frog Divers - ["PADI"]
- BUCEO ALGECIRAS
- Buceo Almunecar - SSI
- BUCEO AQUALIA - SSI, UTD
Marine Life in Al Hoceima
Home to 143 recorded species including 96 reef fish, 11 octopus & squid, 10 sharks & rays, 9 whales & dolphins, 3 crabs & lobsters, 2 other.
Notable Species
- loggerhead turtle (Caretta caretta)
- Blue-white Dolphin (Stenella coeruleoalba) - Whales & Dolphins
- Short-beaked Common Dolphin (Delphinus delphis) - Whales & Dolphins
- Blackfish (Globicephala melas) - Whales & Dolphins
- Blackmouth catshark (Galeus melastomus) - Sharks & Rays
- Cowfish (Tursiops truncatus) - Whales & Dolphins
- Pink (Hoplostethus mediterraneus) - Reef Fish
- Velvet belly lantern shark (Etmopterus spinax) - Sharks & Rays
- Common Atlantic Grenadier (Nezumia aequalis) - Reef Fish
- Jac (Helicolenus dactylopterus) - Reef Fish
- Lanternfish (Lampanyctus crocodilus) - Reef Fish
- Boa Dragonfish (Stomias boa) - Reef Fish
- European flying squid (Todarodes sagittatus) - Octopus & Squid
- Rabbitfish (Chimaera monstrosa)
- Axefish (Argyropelecus hemigymnus) - Reef Fish
- Roughnosed Rattail (Trachyrincus scabrus) - Reef Fish
- conger (Conger conger) - Reef Fish
- Gunner (Pagellus bogaraveo) - Reef Fish
- Spotted Lanternfish (Myctophum punctatum) - Reef Fish
- Blackspot Grenadier (Coelorinchus caelorhincus) - Reef Fish
Recommended Packing List for CASTILLO SAN MARCOS
Based on average water temperature of 16.4°C.
- Wetsuit (5-7mm) - recommended for 16°C water
- Hood & Gloves (3-5mm) - helps retain warmth
- Mask - essential for every dive
- Fins
- BCD - buoyancy compensator
- Regulator - your most safety-critical piece of gear
- Dive Computer - tracks depth, time, and NDL
- Surface Marker Buoy (SMB) - essential for boat pickups
- Dive Torch - useful for crevices and colour at depth
- Underwater Camera - capture your diving memories