Mermaid Isle Codes — October 2026

Last checked: 2026-10-28T02:12:31Z · ↓ Jump to codes

As of October 28, 2026, there are 25 working Mermaid Isle codes and 17 archived (expired) ones — the most widely-confirmed is REEFREFRESH1 (3 sources). Codes are cross-checked daily across the Roblox guide sites we track — new finds and disputed codes are labeled, and we never deal in Robux.

4 independent code sources for Mermaid Isle are on our daily re-read list. 16 of the live ones are reported working by three or more of them. Each code carries a status label — official, new, cross-checked or disputed. How we verify →

What are the new Mermaid Isle codes?

Code	Status	Reward
`REEFREFRESH1`	First tracked by FreshCodes on Oct 23 — confirmed by 3 sites.	This code credits your account with 500 Pearls
`CURSEDACCESSORIES`	3 of 4 sites say it works; 1 say expired — majority wins.	This code credits your account with 1000 Pearls
`CURSETIDENIGHT`	3 of 4 sites say it works; 1 say expired — majority wins.	This code credits your account with 666 Pearls
`FREETANGSFORALL2`	3 of 4 sites say it works; 1 say expired — majority wins.	This code credits your account with Free Rewards
`GAMEREVAMPSOON`	3 of 4 sites say it works; 1 say expired — majority wins.	This code credits your account with Fallen Warrior: Urania, Bubble Pixie: Prismatic, and 250 Pearls
`HALLOWEENEVENT`	3 of 4 sites say it works; 1 say expired — majority wins.	This code credits your account with 2250 Pearls
`HEARTFELTUPDATE`	3 of 4 sites say it works; 1 say expired — majority wins.	This code credits your account with 3,333 Pearls
`MERMAY`	3 of 4 sites say it works; 1 say expired — majority wins.	This code credits your account with 3,000 Pearls
`NIGHTRAYGODDESS`	3 of 4 sites say it works; 1 say expired — majority wins.	This code credits your account with 2500 Pearls
`PART2`	3 of 4 sites say it works; 1 say expired — majority wins.	This code credits your account with 3000 Pearls
`REEFUPDATE`	3 of 4 sites say it works; 1 say expired — majority wins.	This code credits your account with Special Shimmering Fantasea Tail
`SAVECRABLORD`	3 of 4 sites say it works; 1 say expired — majority wins.	This code credits your account with 7450 Pearls
`SAVIORSEAFAIRY`	3 of 4 sites say it works; 1 say expired — majority wins.	This code credits your account with 1500 Pearls
`SEAFAIRYPEARLS`	3 of 4 sites say it works; 1 say expired — majority wins.	This code credits your account with 2000 Pearls
`SEASONOFMYTHS`	3 of 4 sites say it works; 1 say expired — majority wins.	This code credits your account with Draconic Phantasm The Sheltered Albino Dragon

Show 10 more codes (includes milestone codes that may already be expired)

`REEFREFRESH2`	First tracked by FreshCodes on Oct 23 — confirmed by 2 sites.	This code credits your account with the Reef Refresh 1.2 Update Reward
`CELESTIALGAMEPASSFIX`	Confirmed by 2 independent code sites we track daily.	This code credits your account with Free Rewards
`VALENTINESDAY`	3 of 4 sites say it works; 1 say expired — majority wins.	This code credits your account with the Eternal Vow Tail Set
`REEFREFRESH`	2 of 3 sites say it works; 1 say expired — majority wins.	This code credits your account with 2,500 Pearls
`SUMMERSPLASH`	2 of 3 sites say it works; 1 say expired — majority wins.	This code credits your account with the Summer Splash: Blue Lagoon set
`ELEGY`	2 of 3 sites say it works; 1 say expired — majority wins.	This code credits your account with 1,212 Pearls
`SELKIESHYMN`	2 of 3 sites say it works; 1 say expired — majority wins.	This code credits your account with 600 Pearls
`SKELETONSCAMMER`	2 of 3 sites say it works; 1 say expired — majority wins.	This code credits your account with Free Pearls
`THANKYOU50K`	2 of 3 sites say it works; 1 say expired — majority wins.	This code credits your account with Fateful Wish: Cherished Moments
`VISCORIA`	2 of 3 sites say it works; 1 say expired — majority wins.	This code credits your account with 1,212 Pearls

Code didn't work? Use Copy instead of typing · you may have already redeemed it · it may have just expired. More fixes ↓

What our Mermaid Isle code tracking shows

We have logged 90 different Mermaid Isle codes since July 12, 2026. The ledger currently lists 25 codes as active — 16 cross-checked against three or more independent code sites. The recorded history for CURSEDACCESSORIES covers 108 days through its last active report. Most recently REEFREFRESH1 turned up 5 days ago. 17 more have expired since we started watching; they stay in the archive below so you can tell an old code from a fake one.

These numbers come from our own daily checks — we re-read every Mermaid Isle code source we track once a day and write down what changed. Nothing here is copied from another codes site.

Expired Mermaid Isle codes

Show 17 expired Mermaid Isle codes

Code	Reward
`DAILYFIX`	This code credits your account with 350 Pearls last seen working Oct 28
`DARKFANTASEA`	This code credits your account with the Blue Bird Azurite Mermaid Tail last seen working Oct 28
`DOLPHINSCOMEBACKSOON`	This code credits your account with 500 Pearls last seen working Oct 28
`FRILLEDSCAMMER`	This code credits your account with Free Pearls last seen working Oct 28
`LIGHTFANTASEA`	This code credits your account with the Aquamarine Mermaid Tail last seen working Oct 28
`SOULSONGGLOW`	This code credits your account with 12,000 Pearls last seen working Oct 28
`BETTATESTER`	This code credits your account with 2,000 Pearls and the Betta Tester Tail Set last seen working Oct 28
`UPDATE2`	This code credits your account with 1,000 Pearls last seen working Oct 28
`BUGSHUTDOWN`	This code credits your account with 1000 Pearls last seen working Oct 28
`FREETANGSFORALL`	This code credits your account with Radiant “Silver Tang” Recolor last seen working Oct 28
`GIVEMEMYPEARLSBACK`	This code credits your account with Celestial Set Refund last seen working Oct 28
`GREEDYLIONFISH`	This code credits your account with 1,500 Pearls last seen working Oct 28
`LATEUPDATE`	This code credits your account with 500 Pearls last seen working Oct 28
`RELEASE`	This code credits your account with 250 Pearls and the Radiant Tide Swimmer Opal Tail
`SEALRIOUSLYDEVS`	This code credits your account with 500 Pearls last seen working Oct 28
`REJOINAFTERCLAIMINGTHISCHARACTER`	SlotCode last seen working Oct 28
`WARRIOR`	Urania, Bubble Pixie: Prismatic, and 250 last seen working Oct 28

Latest Update [RR 1.3] - Reef Refresh: Cursetide Night. » .•° ・.・Mermaid Isle has re-released with the Reef Refresh update! It has been played over 31.7M times on Roblox.

31.7M+ visits 605 playing now Roblox official data

How to redeem Mermaid Isle codes

The exact steps for Mermaid Isle, cross-checked across 2 guide sources:

Start Mermaid Isle in the Roblox Launcher.
Click on the Settings option in the main menu.
Type the active code in the ‘Enter Code’ section.
Click on Redeem to get your free rewards.

Why isn't my Mermaid Isle code working?

The usual reasons a Mermaid Isle code fails, in order of likelihood:

It just expired. Codes can stop working without notice — if a code fails, it may have expired since our last check. Codes the majority of sources report as dead move to the expired list above, each with the last date we saw it working.
Typo, casing or spaces. All 42 Mermaid Isle codes we have on file are uppercase, 6 of them mix in digits — they have to match exactly, character for character (CELESTIALGAMEPASSFIX is a real one from this page). Use the Copy button instead of typing by hand, and watch for trailing spaces.
Old server. After a game update, some codes only register on fresh servers — leave and rejoin Mermaid Isle, then try again.
Limited or one-time codes. Milestone codes (noted in their status details in the table) often die once their milestone passes. Every code can only be redeemed once per account.

How to get more Mermaid Isle codes

New codes for Mermaid Isle usually drop with game updates, in-game events and player milestones. The developer posts them on the game's official Roblox page and community channels, and Roblox guide sites pick them up within hours. We cross-check those sources for new Mermaid Isle codes every day and archive what stops working — so bookmarking this page is the low-effort way to catch new codes without chasing every channel.

Frequently asked questions

Do Mermaid Isle codes still work in October 2026?

As of October 2026, 25 codes for Mermaid Isle are listed as working across the independent sources we track — new finds and disputed codes carry their own labels. Codes can expire at any time without notice, so check the last-updated stamp above — codes the majority of sources report expired move to the archived list below.

How often is the Mermaid Isle codes list updated?

Every day. We re-read all 4 independent Mermaid Isle code sources we track once a day, then rebuild this page from what changed — that is why the timestamp above moves even on days when no new code appears. Codes that drop out move into the archive of 17 expired Mermaid Isle codes below rather than vanishing.

Why don't you say the codes are "verified" or "tested"?

Because we have not sat down and redeemed every one of them in-game, and we are not going to pretend otherwise. What we can show you is the evidence behind each Mermaid Isle code: 16 of the codes listed here are reported working by three or more independent sources we track. Codes backed by only one source are labelled as such instead of being dressed up, and the 17 that stopped working stay on the page in the archive instead of quietly disappearing.

What do Mermaid Isle codes give you?

Recent Mermaid Isle codes have granted rewards like This code credits your account with Free Rewards and This code credits your account with 1,212 Pearls. The table above shows the exact reward next to every working code.