Hillstone
Why dive here
With 33+ marine species recorded in the area - including sperm whales - Hillstone offers some of Mar del Plata's richest wreck diving. Water ranges 10-21°C, warmest January, February, March.
The Hillstone isn't your average Mar del Plata dive. For a start, it’s a genuine, honest-to-goodness piece of history, a steamship that met its end right off the coast. At just 7 metres deep, it's incredibly accessible, making it a fantastic option for newer wreck divers or anyone looking for a relaxed, longer bottom time. We love how the shallow depth paints the wreck in natural light, often creating dramatic shadows and highlighting the ship’s skeletal remains. Visibility can be hit or miss in Mar del Plata, but on a good day, the Hillstone is a joy. You can easily spend your entire dive exploring the broken stern, the scattered hull plates, and the machinery now encrusted with mussels and anemones. Look closely, and you’ll spot a surprising number of small critters – crabs scuttling amongst the metal, blennies peering from crevices, and small schools of fish darting in and out of the structure. It’s a quiet, reflective dive, perfect for photographers keen to capture the interplay of light and history. Our top tip? Go on a weekday morning to avoid any boat traffic and catch the best light.
Typical Hillstone 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.
Nearest Dive Centres to Hillstone
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Conditions
Ocean conditions, forecast and tides for Hillstone
Hillstone Ocean Conditions
Monthly averages for Hillstone, 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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