
The Cartanza Señor is an advanced wreck dive off St. Thomas in the US Virgin Islands, a vessel that has achieved legendary status in local diving circles for the exceptional marine life that has colonised its structure and the dramatic visual experience of exploring a large, well-preserved wreck in the clear Caribbean water. The ship lies at a depth that requires proper gas management and wreck diving skills, and the combination of penetration opportunities, significant depth, and the navigational demands of a large vessel make it a site best approached by divers with dedicated wreck diving training or considerable wreck diving experience. The Cartanza Señor is a large freighter that came to rest on the St. Thomas seafloor after being caught in a hurricane, and its size is one of the first things that strikes divers descending to the site — this is not a small recreational boat or a tug, but a substantial commercial vessel whose hull dominates the visual field at close range. The scale of the wreck is both impressive and slightly daunting: finding your position within the structure, planning a circuit that covers the highlights within available bottom time, and maintaining awareness of depth while absorbed in the wreck's details are the practical challenges that the site sets. The marine colonisation of the Cartanza Señor is spectacular. The hull is covered in dense sponge growth — basket sponges of the brilliant azure blue characteristic of Caribbean deep sponge communities, encrusting orange and red sponges, and massive tube sponge formations that rise from the deck and superstructure in clusters. The fish life is correspondingly rich: enormous schools of Atlantic spadefish hang above the wreck in formations of hundreds of individuals, their disc-shaped silver bodies catching and scattering light. Large grouper have established territorial positions throughout the wreck, and the moray eels that inhabit every suitable crevice are among the largest and most impressive in St. Thomas waters. The Cartanza Señor represents St. Thomas wreck diving at its most ambitious — a site that rewards the investment of advanced training and experience with an encounter that simply cannot be replicated on the island's shallower, more accessible sites. For divers who have completed their wreck speciality training and are ready for the full expression of what Caribbean wreck diving can be, this ship is the definitive experience in the Virgin Islands.
Dive Cartanza Señor Wreck with one of these PADI or SSI certified centers within 20 km.

Saint Thomas Island
📍 14.92 km away

St. Thomas, St. Thomas
📍 15.36 km away

Saint Thomas Island
📍 15.96 km away

Saint Thomas Island
📍 15.98 km away

Saint Thomas Island
📍 19.81 km away
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Sign InGreat spot for advanced divers. Currents can be tricky but the marine life makes it worth it.
One of the best dive sites in the region. Highly recommended.