How to Fish Islands Guide

First island

Complete the beer-can task and get the Boat Keys

1. Follow the NPC request involving beer and the empty beer can.
2. Defeat the Spider Crab and collect its shell.
3. Return the shell to the quest NPC to receive the Boat Keys.

Result: the boat route can now continue through Radar.

Second Island

Use Radar, complete the bait chain, then catch the Giant Piranha

1. Return to the boat and use Radar to follow the route to the Second Island.
2. Collect the three ground-crawling creatures requested in the task. In the checked route, these were leeches.
3. Finish the bait exchange, then use the quest bait to defeat the Giant Piranha.
4. Collect the item named Big yummy fish.

Island 3

Trade the fish for coordinates and follow Radar again

1. Return Big yummy fish to the Second Island NPC.
2. Take the Flash drive containing the coordinates to Island 3.
3. Go back to the boat, check Radar, and follow the new route.
4. On Island 3, bring the requested endangered creature to the quest NPC and receive a carrot.
5. Use the carrot as bait to encounter and defeat the Pufferfish.

After the Pufferfish

Return the special item to reveal Island 4

1. Collect the special progression item after the Pufferfish encounter.
2. Return that item to the same Island 3 NPC.
3. Receive the coordinates to Island 4, then use the boat's Radar to follow them.

Result: Island 4 should now appear as your next route.