Weekly Free Spins & Bonuses: Check Out Mayfair Casino's Latest Promotions
15 Sep 2025
Read more
Biggest Winning Spin at Mayfair takes £100 real money
Mayfair Casino biggest winning spin takes £100 in real cash every Thursday. Play your favourite slot & land the best spin you can to win! We show you how to enter & win.

The biggest winning spin at Mayfair Casino wins £100 of real money every Thursday through March. Simply land your best win on the day for a chance to win the cash prize. For more details on how to join, read our short promo guide below.
How to join
The "Biggest Spin Winner" offer will occur on the 4th, 11th, 18th and 25th March only.
During the promo period, there is no need to opt-in or join the offer. To qualify, you will need to deposit and wager £10 or more on the day of the offer.
Once you have fulfilled the requirements, you can play any slot you like - the player with the biggest winning spin at the end of the day wins.
You can continue to improve your chances by continuing to spin and land greater wins.
If there is a tie between two winners, the first and second-highest winning spins will be taken into account.
Join Mayfair Casino
If you're already a Mayfair member, you just have to wait until Thursday to join our first Biggest Spin Winner promo. But if you need to create an account, here's how you sign up:
- Visit Mayfair Casino
- Click the "Register button and fill out your details - make sure to grab your Mayfair Casino bonus code before you go
- Make a deposit of £10+ and land your biggest win
Terms and conditions
- This promotion is only available to valid account holders aged 18 or over
- This promotion will be active between 00:00 and 23:59 on 4th, 11th, 18th and 25th March only.
- BST/GMT is the equivalent of ACST -9.30hrs, PTZ + 8hrs
- This is a network promotion. The Biggest Winner Off A Single Spin promotion will take place across 96 participating sites on our network.
- The prize to the winner of the "Biggest Winner Off A Single Spin" promotion is £100.
- In order to qualify for the prize the player has to deposit and wager a minimum of £10 on any slot games. Both the deposit and the gameplay must take place during the promotional period.
- The prize will be awarded according the highest gross return of a single spin on any slot game during the promotional period. The player who achieves this will be awarded with £100 in cash.
- In the event that two or more players have a matching highest gross return from a single spin, the prize will be awarded to whichever player had the second-highest grossing spin. For the avoidance of doubt, if both Player A and Player B had winning spins for £500, but Player A's next highest return from a single spin was £475 and Player B's was £450, the prize would be awarded in full to Player A.
- Select All
- Casino Live Dealer Events
- Casino Promotion Events
- Casino Roulette Tournaments Events
- Casino Slots Tournaments Events
Casino Events
Starts in
- $2M Drops and Wins at GGPoker Casino
- $300K GGPoker Rollin' Riches Campaign
- $400K Live Dealer Monthly Tournament
- $10K Rainbet Plinko Challenge
- GGPoker Casino's $150K Fishin Masters Tournament
- $10K Shuffle Referral Race
- $150K Race to Olympus at GGPoker Casino
- September Free Spins at Mayfair
- Shuffle's $20K Microgaming Tournament
Latest news
-
Free Spins
-
$150K Monthly PrizeRace to Olympus: Battle it Out for a Share of $150,000 Every Month at GGPoker08 Sep 2025 Read more
-
$100K Referral Race$100K Referral Challenge: Invite and Earn for a Share of the Shuffle Prize04 Sep 2025 Read more
-
$10K Plinko ChallengeRainbet Plinko Challenge: First to Hit 10,000x Gets $10,00003 Sep 2025 Read more
-
$150K LeaderboardFishin’ Masters: Contend the $150,000 Monthly Leaderboard at GGPoker Casino03 Sep 2025 Read more