Marine Cave (Map)
A Marine Cave (Map) is an item which will unlock the Marine Cave rumble area which can only be explored by a Water Type Pokemon.
How to obtain it
You can obtain a Marine Cave Map by opening Mystery Boxes
How to use it
If you have the Marine Cave Map in your item bag, you will be able to send a Water type Pokemon to this Rumble Area. The Water type Pokemon is able to explore this special area and will battle Kyogre. If your Pokemon wins the battle, it will return with a Sapphire. If it loses, it will return with the map, allowing you to re-send the Pokemon to the area.
- Marine Cave Maps are tradeable.