Sandcastle Find Collectibles on the Shore

What counts as a collectible

Sandcastle scatters two broad groups: starfish that unlock beach customization (Starfish Collectibles) and shore treasures—shells, driftwood, pebbles, seaweed—used to embellish builds (Shore Treasures). Steam store text also mentions secrets washed ashore or buried in sand; this guide stays spoiler-light while giving reliable search habits.

Collectibles fit the cozy loop: walk during low tide, decorate during calm, build between cycles. There is no combat or timed race for spawns.

Tideline timing

Most visible spawns appear along the upper wet band and just above last foam line after a retreating tide. Start a lap when water pulls back from your moat outlets described in Carve Moats. Mid-tide laps still find items, but glare and surf noise make small shells harder to spot.

Base Beach route

On Base Beach, walk the long flat arc from default spawn toward whichever side opens to the horizon. Starfish often sit where gentle runoff pools—check shallow rills before you fill them while building. Sweep behind any prototype walls from Build Strong Walls because spawns can tuck into lee pockets.

Barrier Beach route

Barrier Beach introduces stronger fetch. Search lee sides of dunes or default berms where waves do not strip sand each cycle. Avoid standing in active surge channels while hunting; wait for the phase shown in Protect From the Tide.

Buried and semi-buried objects

Some treasures sit flush with sand. Use gentle Digging Tools passes rather than deep moat cuts that alter spawn geography permanently in your session. If you excavate heavily for a megaproject, re-walk the lap after one tide to refresh visuals.

Starfish priority

Starfish matter most for long-term variety because they gate sand type, layout, and size options per store bullets. Pick them up when seen even if you are mid-wall—unlock progress is account-wide within your demo save unless future patches say otherwise.

Decoration hauling

Shells and driftwood have no inventory stress in the cozy presentation—carry what you need for the current embellishment pass. Stage piles near your build platform to minimize trips. Mix textures sparingly; cluttered shores reduce readability when photographing builds.

Multi-beach and full-game planning

Demo limits you to Base and Barrier today. Full-game beaches (Lagoon, Delta, Atoll) will add new lap shapes when they ship TBA. Revisit this guide after Demo Launch Update notes spawn tweaks.

Related pages

Pair collecting with How to Play onboarding and Building Tips for when to stop hunting and resume packing sand.

Anti-frustration collecting

If you cannot find a starfish after two laps, switch activities—build a small berm or repair erosion—then lap again after the next retreating tide. Staring at empty sand raises fatigue without improving spawn visibility.

Decoration discipline after hunts

Sort shells by size near your platform before placing. Large driftwood anchors composition; tiny pebbles fill gaps. Overloading one merlon with five items reduces readability in screenshots and adds weight on fragile caps.

Future beach prep

When Lagoon Beach and Delta Beach arrive in the full game, expect new lap shapes—interior rings or branch channels—without new collectible categories announced yet. Your demo habits (walk at foam retreat, pick starfish early) should still apply.

shared multiplayer with friends offline

One friend calls out driftwood while you pack walls—social play without online features. Rotate roles each tide.

Hidden object respect

If an object feels like a secret easter egg, screenshot it before tides shift sand—memories matter when physics moves props.

Patience rewards

Some treasures appear only after several tide cycles in a session. Switching beaches too early may reset mental maps—finish a lap plan before hopping layouts.

Accessibility

If small shells are hard to see, adjust brightness and camera height via in-game prompts on Controls.