From A Wiki of Ice and Fire
Dagon's Feast is an ironborn longship in the Iron Fleet. It is presumably named after Lord Dagon Greyjoy.
A Dance with Dragons
Dagon's Feast accompanies the rest of the Iron Fleet when they sail for Slaver's Bay. It sinks along with Red Tide when both ships crash into one another during a storm on the voyage.
- ↑ 1.0 1.1 A Dance with Dragons, Chapter 56, The Iron Suitor.