milesrodneymcneely2_ESO wrote: »UPDATE: I just figured it out.
After hopping to ports all over the world and being lead on a merry boat chase, I ported back to Eastmarch to see if I could find Dark Water Lair again.
There is a horse near Kynesgrove wayshrine (Peri). He takes you to the Abbey of Blades where you ride another horse (Piivot) to the dragon's lair.
Whew! That was a chore...