The underworld sea is a cold, dangerous place, but this island is one of the few areas of calm to be found. There is a slight breeze, but no trace of light, and no vegetation. There are a few footprints on the sandy beach, probably of humanoid origin.
From here, the party found a nearby beach, and made a landing there. There are three passage ways coming from that area, and they chose to explore the middle one.
Their next obstacle was navigating a Very Deep Pit.