From publisher blurb:
The Sinking of the Mercy is a sandbox style adventure with multiple side treks to give higher level characters a challenge. After recuperating from their last adventure the PCs find themselves at the port city of Covalush. A group of heavy storms have been battering the coastline for a while a few banged up ships have limped into port. The sailors have found the taverns and have been retelling the story of a sunken treasure ship they were travelling with. As the storms start to weaken the possibility of a treasure hunt has intrigued the PCs…
This adventure setting was designed for 5th Edition AD&D for the Filbar Campaign for a party of high-level adventurers and DM. This adventure is easily adaptable to most any game and system. Save yourself some time and utilize it for a one shot adventure or a continuing campaign!