Starsand Island Cozy Island Wiki
exploration Published: 2026-08-28 · Updated: 2026-08-28 · Patch 1.0 Verified

Interactive Map: Chests & Fishing Spots

High-resolution map breakdown for Starsand Island. Pinpoints 10 hidden treasure chests, Moonlit Forest shortcuts, seasonal wild forageables, and legendary fishing spots.

Reviewed by: Starsand Island Community Guild & Alpha Testers
Quick Answer Verified Solution

Starsand Island contains 4 major exploration zones: Coral Bay (South), Town Square (Center), Whispering Grove (Northwest), and Moonlit Forest (Northeast). 10 secret chests containing relic pieces and gold are buried behind waterfalls, tidal caves, and dense stump groves.

Interactive Island Explorer (Official 1.0 Verified)

Verified coordinates for Moonlit Forest, Dreamfall Garden, 5 Profession Mentors & Secret Chests

DREAMFALL GARDEN EVERNIGHT FOREST CENTRAL PLAZA CORAL BAY
Treasure Chest Target POI

Chest #1: Coral Pier Reef Cache

POI Preview
Rewards / Yield 1,500 Gold + 3x Pearl
Unlock Requirement Old Fishing Rod (Delphin)

Fish the sparkling water bubble vortex behind Delphin's Angler Shack.

All 16 Official Landmark Coordinates & Fast Jump

Exploring the four regions of Starsand Island reveals hidden treasure caches, rare wild herbal remedies, ancient lore tablets, and secluded fishing reefs.


1. Top 10 Hidden Treasure Chest Coordinates

Chest #Region & Exact LandmarkPrerequisite ToolTreasure ContentsStrategy to Access
Chest 1Coral Pier (Behind Lighthouse)Old Fishing Rod1,500 Gold + 3x PearlFish the sparkling bubble vortex behind Alex’s shack
Chest 2Whispering Grove (Waterfall Cave)Copper PickaxeAncient Relic Tablet #1 + 5x Starfruit SeedsWalk behind the cascading falls north of the mill
Chest 3Tidepool Caves (Low Tide Grotto)None (Spring Tide)Golden Sunhat Cosmetic + 500 GoldEnter only between 12:00 - 16:00 during low tide
Chest 4Moonlit Forest (Ancient Altar)1x Iron Ingot OfferingAncient Forest Blueprint (Quality Sprinkler)Place an Iron Ingot on the stone owl pediment
Chest 5Sunken Ruins (Submerged Arch)Master Diving Goggles2,500 Gold + 1x Obsidian RingDive in the center lagoon during sunny weather
Chest 6Town Hall AtticTown Hall Key (Roland 2-Hearts)Old Town Ledger + 1,000 GoldClimb the wooden ladder inside Mayor Roland’s office
Chest 7Blacksmith BackyardIron Axe (Chop Hardwood Stump)5x Copper Bars + 5x Iron IngotsClear the 3 hardwood stumps behind Clover’s workshop
Chest 8Mountain Hot Springs PeakNoneElixir of Eternal Stamina (+30 Max Energy)Follow the winding mountain goat path behind the springs
Chest 9Western Beach Shipwreck HullIron Hoe (Dig Soft Sand)1x Pirate Spyglass + 800 GoldDig the distinct 3-star sand marker at sunset
Chest 10Crystal Cavern Floor 40 VaultClear Floor 40 BossMaster Miner’s Badge + Star ShardDefeat the Magma Golem and open the gilded pedestal

2. Seasonal Forageable Spawn Calendar

Wild plants and seashells respawn every 48 hours across the island. Foraging yields free energy, crafting reagents, and early-game gifts:

Item NameSeasonSpawn LocationBase Sell ValueEnergy RestoredBest Use Case
Wild BlueberriesSpring & SummerWhispering Grove45g+35 EnergyUniversal Liked Gift & Berry Tarts
Yellow Sleep LilySpringForest Clearings60g+20 EnergyGraminova Liked Gift & Healing Salve
Sea CoralAll SeasonsCoral Beach80gN/AAlex Liked Gift & Fertilizer Crafting
Tidepool ClamAll SeasonsSandy Shallows30g+15 EnergySpeed-Gro Fertilizer & Chowder
Sweet TruffleAutumnDeep Woodland350g+80 EnergyRoland Loved Gift & Truffle Oil (1,200g)
Winter Star CrystalWinterFrozen Shoreline180gN/AClover Loved Gift & Jewelry Crafting

3. Master Fishing Hotspots & Fish Catch Table

Fish SpeciesZone / LocationSeasonWeatherTime of DayDifficultyBase Value
King Fish (Legendary)Coral Pier Deep OceanSpring / SummerRainy / Stormy06:00 - 10:00 & 18:00 - 22:00Hard (Rating 85)1,500g
Sunburst SalmonWhispering Grove RiverSummer / AutumnSunny08:00 - 16:00Medium (Rating 55)320g
Moonlit EelMountain Hot Springs LakeAutumn / WinterRainy / Night20:00 - 02:00Hard (Rating 70)480g
Silver SeabassCoral Harbor PierAll SeasonsAny Weather06:00 - 18:00Easy (Rating 30)120g
Starry FlounderWestern Beach ShallowsSpring / AutumnSunny12:00 - 18:00Easy (Rating 35)150g
Golden KoiTown Square FountainAll SeasonsClear Days14:00 - 17:00Medium (Rating 60)650g
Early Access Verification Note:
  • NPC gift heart values, drop tables, and crop growth rates reflect verified data for Starsand Island (Early Access).
  • Cross-checked against official community logs, Steam patch updates, and in-game playthroughs.

Frequently Asked Questions

Where is the Hot Springs on Starsand Island? +

The Hot Springs is located in the northern cliffs of Whispering Grove, accessible via the wooden suspension bridge north of Graminova's clinic.

How do you break the giant fallen logs blocking the forest path? +

Upgrade to the Iron Axe at Clover's Blacksmith shop (10 Iron Bars + 5,000g). Giant logs require 4 hits with an Iron Axe.

What time does the Night Market spawn at Coral Bay? +

The Island Night Market appears on Friday and Saturday evenings from 18:00 to 02:00 along the southern shore of Coral Bay.

Source note: Field records cross-checked against official releases and validated community playthroughs. Independent fan compilation for Starsand Island.