Waterbirth Island - The RuneScape Wiki
https://runescape.wiki/w/Waterbirth_Island
Waterbirth Island is a crescent-shaped island accessible from Rellekka's westernmost pier by talking to Jarvald. The island itself contains several spawns of Rock crabs and a few hobgoblins. However, the main attraction of Waterbirth Island is the Waterbirth Island Dungeon, filled with dangerous creatures such as Dagannoths, Wallasalkis, Giant rock crabs, and Rock lobsters.
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