Below is a guide on the locations of the 7 Digletts in the Stepping-Stone Sea.
1. & 2 On the large island near the tree and berry tree
3. On the same island as the above 2 Digletts. From the shore of the island, take a left and follow the narrow path to find the Diglett at the end.
4. On the same island as the above Diglett underneath a tree near a den
5. & 6. On a small island with a rock on it
7. In the middle of a long sandbar
