Isn't the iksar merchant in OT a greedy merchant? The one in the windmill in FV isn't greedy.
Oasis (raft) -> TD (switch boats when the raft stops at the island) -> OT.
On the map you can see it in upper left corner:
https://wiki.project1999.com/Timorous_Deep
The raft goes back and forth from that island to Oasis. The actual docks on the island (#1 on map) receive the boat that goes from there to OT.
-Mcoy