Website and data research by 101Leafy.
Serene Shores
Radar map of Serene Shores in Pikmin 4, with the treasures, creatures, castaways, and items the game places there.

Drag to move the map, pinch or scroll to zoom, and tap a pin to see what it is. Keys: arrows move (Shift goes farther), + and - zoom, 0 shows the whole map, Tab goes from pin to pin, / searches, and Esc closes.
On this map
Treasures
Ambiguous Hostel
Bright Sword
Chance Totem
Crimson Banquet
Dapper Rubber Cutie
Dawn Pustules
Emperor Whistle
Face Wrinkler
Fish-Bed Snack
Fishy Bed
Foolish Fruit
Giant's Fossil
Heroine's Tear
Juicy Gaggle
Lamp of Inspiration
Lesser Mock Bottom
Mock Bottom
Mystery Squish Fish
Newtolite Shell
Orbital Communication Sphere
Princess Pearl
Ring-of-Return Shield
Slapstick Crescent
Stately Rubber Cutie3
Stellar Extrusion
Zest Bomb