Moonlight Peaks Guide
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Unlock guide ยท reviewed 2026-09-03

Inventory Upgrades & Storage Guide

Expand the starting 20-slot inventory through Sabrina and use farm storage to keep quest and Museum items safe.

Source-labelledv1.2.7
Moonlight Peaks inventory with collected food, seeds, and tools

Five-second answer

The community-checked route starts with 20 slots. Buy Inventory Upgrade I from Sabrina at Webb of Wonders for 2,000 coins to add ten slots; a second 20,000-coin upgrade is reported to add another ten, but its exact shop-appearance trigger remains unverified.

Before you go

Prerequisites

  • Reach Webb of Wonders in Town.
  • Save 2,000 coins for the first confirmed expansion.
  • Keep a storage box on the farm for Museum and quest materials.

Exact route

Step by step

  1. 1

    Visit Sabrina at Webb of Wonders and switch to the relevant shop tab.

  2. 2

    Buy Inventory Upgrade I for 2,000 coins to move from 20 to 30 slots.

  3. 3

    Check later progression for Inventory Upgrade II, reported at 20,000 coins for 40 total slots.

  4. 4

    Sort storage by purpose: Museum first copies, quest materials, ore/bars, seasonal crops, and gifts.

When it does not work

Common blockers

Inventory Upgrade II is not in the shop.

Its exact availability trigger was not confirmed by the source. Progress the main story and recheck Sabrina rather than assuming a fixed date.

Dive prompts are missing.

A full inventory can hide Luna Bay dive interactions; free a slot before retrying.

Fast answers

FAQ

How many inventory slots do you start with?

The checked community guide reports 20 starting slots.

Where do I buy inventory space?

Inventory upgrades are sold by Sabrina at Webb of Wonders in Town.