Wiktionary
vb. to travel to numerous islands in a short period of time
Usage examples of "island-hop".
An armada of caiques will sail from the Piraeus on Thursday at dawn and island-hop across the Cyclades, holing up in the islands at night.
They island-hopped, stayed within sight of land, traveled coastwise from point to point.
Thrust the main assault westward across the Central Pacific atolls, in an island-hopping strike toward Luzon and Japan.
The people had gotten this far by island-hopping, moving through reasonably equable seas from one scrap of land to another, each clearly visible, one from the next.
If Thorvald wanted to go island-hopping in chance of discovering what never had existed, Shann need not accompany him.
Lynn, on the other hand, would be island-hopping, when she wasn't in her headquarters a full continent away.