Map 1 Emerald and villager help!

[Saisho]

Hi in the new map 1 casino now can drop an emerald and I have been told that tere is a villager in the underwater maze in map 1 but i dont know where that is and was wondering if anyone could give me cords and directions to the villager or the underwater maze in map 1. Thank you!
(p.s) I probably do knw where the underwater maze is but i just dont knw what its called.)

 

[Rosza]

Hmmm I'd like to know as well but I'm still not sure if it's just a rumor to be honest :/