Marine Cave in Emerald.
underground · step 98 of 113
level cap 78 · Rival Steven
Marine Cave in Pokemon Emerald: what is here. Level cap here: 78 (Rival Steven).
Map
from the game's map data, one pixel per pixel27 by 30 tilesDoors 1
Hover a sprite, a shaded tile or a door. Green is walking encounters, blue is water, red is a trainer's line of sight.
Leads to Marine Cave Entrance.