STEP 1 · REQUIRED
01Give Beer to the Lighthouse NPC
BEFORE: Beer ×1
- WHAT TO DO
- Give Beer to the Lighthouse NPC to start the required boss-trigger chain.
- EXPECTED RESULT
- You receive the Empty Beer Can.
ISLAND 1 · MAIN PROGRESSION · CHECKED FOR PATCH 1.0.10
How to Fish Lighthouse Walkthrough
Follow the required Lighthouse route from the Beer exchange through Spider Crab and the Boat unlock. Extra catches, money farming, and achievements are not required to leave Island 1.
Start the required route ↓REQUIRED PROGRESSION ONLY
Lighthouse Quick Route
Optional fish, Fishipedia entries, money farming, and achievements are not required to leave Lighthouse.
- 01
Beer
- 02
Empty Beer Can
- 03
Spider Crab
- 04
Spidercrab Shell
- 05
Claim boat unlock
- 06
Forest
ISLAND EXIT REQUIREMENTS
What You Need Before Leaving Lighthouse
You do not need to clear every Lighthouse activity. These are the four known results that move the main route from the opening exchange to Boat access.
KEY REQUIREMENT
Empty Beer Can
Give Beer to the Lighthouse NPC and collect the quest reward.
Check the Empty Beer Can route →BEFORE YOU CAN LEAVE
0 / 4 required steps
Check each result only after it has happened in your run.
REQUIRED STEPS
Lighthouse Walkthrough – Step by Step
STEP 2 · REQUIRED
02Use the Empty Beer Can for Spider Crab
BEFORE: Empty Beer Can
- WHAT TO DO
- Use the Empty Beer Can as the confirmed direct bait for Spider Crab.
- EXPECTED RESULT
- The Spider Crab encounter becomes available.
STEP 3 · REQUIRED
03Defeat Spider Crab
- WHAT TO DO
- Defeat Spider Crab and collect the required Spidercrab Shell drop.
- EXPECTED RESULT
- Collect the Spidercrab Shell.
STEP 4 · REQUIRED
04Turn in the shell and claim the interaction
BEFORE: Spidercrab Shell
- WHAT TO DO
- Turn in Spidercrab Shell, then claim the completed quest interaction.
- EXPECTED RESULT
- Boat access unlocks.
POST-BOSS PROGRESSION
How to Unlock the Boat
Defeating Spider Crab is not the last Lighthouse action. Secure the shell, turn it in, and claim the completed quest interaction so Boat access is registered.
- STEP 1
Defeat Spider Crab
Finish the required Island 1 encounter.
- STEP 2
Collect and turn in Spidercrab Shell
The boss result must reach the Lighthouse quest chain.
- STEP 3
Claim the completed interaction
This final post-fight action unlocks Boat access and the Forest route.
FIRST-ISLAND TROUBLESHOOTER
Boat Won't Unlock?
Check the known progression results in order. If all four are complete, move to current-patch troubleshooting instead of repeating Spider Crab without evidence.
CHECK IN THIS ORDER
MOST LIKELY BLOCKER
Most likely missing: Beer delivered to Lighthouse NPC
Give Beer to the Lighthouse NPC and collect the Empty Beer Can reward.
Review the required steps ↑ISLAND 1 EXIT
Ready to Leave Lighthouse?
When every required result is checked, Forest is your next destination. This checklist uses the same progress saved by the full walkthrough.
Continue to the Forest Walkthrough →NEXT · FOREST
You'll need:
3 Leeches → Modified Leech → Giant Piranha
LIGHTHOUSE EXIT CHECKLIST
0 / 4 required steps
Check each result only after it has happened in your run.
OPTIONAL · NOT REQUIRED TO LEAVE
Optional Things to Do Before Leaving
Open this only if you want collection or efficiency detours before Forest.
Extra Fishipedia catches
Useful for collection progress, but not required for Boat access.
Open guide →Money farming
You can continue the required route without optimizing Lighthouse sale values.
Open guide →Optional achievements
Achievement cleanup is separate from the Island 1 unlock chain.
Open guide →
EXACT ROUTE FIXES
Common Lighthouse Problems
Spider Crab won't spawn
Confirm the Beer exchange, collect the Empty Beer Can, and use it as the direct boss bait.
Check Spider Crab requirements →Can't find the Empty Beer Can
Complete the Lighthouse NPC Beer exchange and collect its quest reward.
Check the key-item chain →Beat Spider Crab but nothing happened
Collect Spidercrab Shell, turn it in, and claim the completed quest interaction.
Check the post-boss steps →Boat won't unlock
Compare your run with the four known Lighthouse exit requirements in order.
Run the Boat check →Don't know where to go next
Forest is the next main-story destination after Boat access is registered.
Continue to Forest →