Speaking of people lost at sea, this might be one of the more haunting ones.
https://www.historicmysteries.com/sarah-joe-mystery/TLDR:
Five guys disappear off the waters of Hawaii. Their boat and human remains are found a decade later on a deserted atoll in the Pacific, with evidence suggesting they were stranded there for an indeterminate time, without any means to summon for help.---
Sigs are rather pointless, except if it's to showcase animation and images.