The Sinking City 2

The Sinking City 2 Salt Storage Code: I IV IX XVI Solution

Unlock the Fish Market Salt Storage door in The Sinking City 2 with the Roman numeral code I, IV, IX, XVI and the square-number clue logic.

2026-08-27

The Sinking City 2 Salt Storage Code

Quick Answer

The Fish Market Salt Storage code is:

I -> IV -> IX -> XVI

Roman numeralNumber
I1
IV4
IX9
XVI16

Press the buttons in that order and validate the lock.

Why the Answer Is I, IV, IX, XVI

The clue follows the first four square numbers:

StepSquare numberRoman numeral
11I
24IV
39IX
416XVI

The third value is IX. If you see XI in a screenshot caption or comment, treat that as a transposition mistake unless the actual walkthrough text and lock input also support it.

Where Salt Storage Fits

Salt Storage is part of the Fish Market / Time and Tide route. It uses a Roman numeral wooden lock rather than a four-digit safe keypad, so do not enter 1496 here. That number belongs to the Locker Room Safe Code.

Inside Salt Storage, look for route rewards and the clue path that helps make sense of the Locker Room safe.

FAQ

What is the Salt Storage code?

The Salt Storage code is I, IV, IX, XVI.

What numbers do the symbols mean?

They mean 1, 4, 9, 16.

Is the third symbol IX or XI?

Use IX for 9. The sequence is square numbers, so the third value is 9, not 11.