Current answer
Nautical Charts are confirmed exploration items used to locate remote islands where players can hunt for treasure and befriend rare animals not found on the mainland.
Confirmed data
- Charts are required to locate remote islands.
- Remote islands contain treasure-hunting opportunities.
- Some island animals do not appear on the mainland.
What this means for players
This makes each chart a future route key rather than a generic collectible. A complete entry will need the chart source, island destination, travel requirement, discoveries, and whether the chart is consumed.
Still awaiting verification
Chart names, acquisition quests, island count, travel method, and individual rewards are still unpublished.
Source and freshness
Official source used for this page. Data checked 2026-07-19; details from earlier Harvest Moon titles are not imported as facts for this game.