How to Fish Wiki
Official How to Fish screenshot showing the boat and island navigation environment

Navigation upgrade · $10

Radar

The Lighthouse shop upgrade that reveals unlocked island coordinates as colored markers.

NavigationLighthouseUpdated 2026-08-24

Plan before you start

Keep quest items safe

Do not cook, sell or discard a named quest object before its trade, boss trigger or return hand-in is finished.
Item type
Navigation upgrade · $10
Found at
Lighthouse shop
Primary use
Shows unlocked island coordinates as colored route markers.
Handling
Permanent navigation tool; the boat key is still required to leave.
01

What this item does

Shows unlocked island coordinates as colored route markers.

  • Permanent navigation tool; the boat key is still required to leave.
02

Location and acquisition

Buy for $10 after the opening route.

  • Location: Lighthouse shop
03

What the markers mean

Buy the Radar for $10 before leaving the Lighthouse. Story hand-ins add the next destination to it: Forest is green, Desert yellow, Rocks red and Volcano pink.

  • A marker only appears after the relevant trophy or quest item is handed in.
  • Use the compass heading and marker together while sailing.
  • The Radar reveals destinations; it does not replace the boat key.

Bosses and quests

Where this item or equipment appears in the route.