towns on the ocean that boats can dock at.
Tortuga http://en.wikipedia.org/wiki/Tortuga_(Haiti)
In the Commander tier jobs, right at the bottom is a job called Seduce the Merfolk. This will drop the Trident, allowing you to take on the boss for the tier, however, after repeated goes I only have...
You dont loot it, you buy it from the armoury
lube city