Bajo de Fuera

Bajo de Fuera sits beyond the Islas Hormigas lighthouse, the outermost and most exposed of the reserve's bajos. The boat ride out is the first cue this is a different dive: rougher water, longer transit, more attention paid to the surface. On the mooring the descent splits by route. A recreational profile holds the reef top and upper plateau between roughly 6m and 25m, closer in feel to Bajo de Dentro — bream and salps over rock, gorgonians on the flanks, the resident grouper passing if you're lucky, and the chance of barracuda in season. It's the honest answer for any diver below B2 and for anyone who'd rather not pay the wreck premium.

The wreck profile is a different dive. From the bajo top you drop along the northern flank toward the SS Sirio, where the first marker is usually one of the admiralty anchors at about 32m. The boilers and collectors emerge around 39m, with the broken stern further along at ~42m. Conditions bite here: poor visibility with particles in suspension, sharp summer thermocline, and current that locals describe as uncomfortable particularly on the deco stop. From the Sirio the south-east route across the bajo head leads to the inverted hull at 40-50m and, further down the slope, the Nord America. Distances between wrecks are deceptive at depth and narcosis is part of the picture; experienced locals warn that remembering wreck positions while narked is harder than it sounds.

Ships kept hitting this reef. A 70-metre seabed pushed up to within 3 metres of the surface, with no visual warning, took down at least four documented vessels in the late 19th and early 20th centuries — and what the reef collected, divers can now visit. The 1906 loss of the SS Sirio with up to ~500 casualties is one of the worst civil maritime disasters on Spanish coasts of the entire 20th century, and her boilers, collectors and stern sit on the northern slope today. The Minerva, locally called El Bocabajo, lies upside down on the eastern flank with an identity question: a bell found nearby in 2006 reads S.S. Hansell, and nobody has resolved the discrepancy. The 1930 Nord America rests further down the same slope, and Primo remnants — boilers, anchors, a cannon — sit scattered across the bajo. No other site in the Cabo de Palos reserve concentrates this much wrecked maritime history on a single pinnacle.

The reef's geometry made the disasters possible. A submerged mountain rising sharply from 55-70m to within a few metres of the surface, with no surface marker before the lighthouse infrastructure, was lethal for shipping into the early 20th century. The signature event came on 4 August 1906, when the Italian passenger steamer SS Sirio struck the bajo with around 800 people aboard; the death toll ran up to ~500 and the sinking is widely cited as the worst civil maritime disaster on Spanish coasts of that century. Locals refer to the inverted hull on the eastern slope as El Bocabajo and have historically called it the Minerva, but a stamped bell reading S.S. Hansell, found and reported in 2006, has left the wreck's identity in question. The Nord America followed in 1930, ending up on the lower eastern slope. Remains attributed to the Primo — boilers, anchors and a cannon — are scattered across the bajo. The marine reserve was declared in 1995, turning a wreck graveyard worked informally by local clubs into a permitted, capacity-controlled experience.

The wreck experience is not recreational diving. Cold water at depth, particles in suspension, extended deco obligations and narcosis between hulls are the norm for divers descending to the main structures. One local videographer logged 40+ dives over a year to compile usable footage, working past 60m on multiple attempts. Summer thermoclines drop bottom temperature toward 15-18C without warning, so dress for the bottom. For divers without deep or technical training the reef itself rewards exploration: groupers and barracuda along the upper flanks, the shallow crown for safety stops, and in September and October the boga baitball action with leerfish and dentex hunting around the bajo. Centre pricing in 2024 sat at roughly 60-65 EUR with reserve fees bundled. Daily capacity is capped at 25 and centres need lead time for the paperwork — book before you travel.