María B.
Why dive here
With 33+ marine species recorded in the area - including sperm whales - María B. offers some of Mar del Plata's richest wreck diving. Water ranges 10-21°C, warmest January, February, March.
The María B. isn't about deep dives or big pelagics. This is a shallow, historical wreck, really more of a skeletal remains, sitting at a maximum depth of three metres. We love it for the sheer accessibility and the feeling of diving through a ghost story. You’re essentially snorkelling over history here. What you'll find is the broken hull of a fishing trawler, a tangled metal sculpture that’s been thoroughly claimed by the sea. Think intricate patterns of rust and barnacles, with schools of silversides darting in and out of the twisted metal. We've seen plenty of blennies peeking from crevices, and the occasional crab scuttling across the plates. It’s perfect for new divers getting a feel for wreck penetration, or for photographers looking for interesting textures and light play in very shallow water. Our tip: go on a calm day; even a slight chop can stir things up and reduce visibility to almost nothing. It’s a completely different experience when the water is still, letting the sunlight cut through the structure.
Typical María B. Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.
Cold water this month (avg 14°C). Drysuit or thick wetsuit (7mm+) recommended.
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Conditions
Ocean conditions, forecast and tides for María B.
María B. Ocean Conditions
Monthly averages for María B., sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-38.05, -57.5) (0km away)
October Averages
Sea Temperature
14°C
56°F · Range: 11.1–16.9°C
Current Speed
2.83 cm/s
Direction: SE (135°)
Salinity
0 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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