From A Wiki of Ice and Fire
The Seastrider is a trading cog from Oldtown.
A Feast for Crows
After trading in Duskendale, Pentos, Tyrosh, and Oldtown, the Seastrider stops in Maidenpool, where it is encountered by Brienne of Tarth. She buys an orange for Podrick Payne, but rejects the captain's offer of heading north to Sisterton and White Harbor.
- ↑ 1.0 1.1 A Feast for Crows, Chapter 25, Brienne V.