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21 Dukes

21 Dukes is a downloadable casino also offering live dealer games and lottery using TopGame and Visionary iGaming software licensed in Costa Rica. It is owned by 21Dukes Group. The site's primary language is English.

Play 21 Dukes
Rankings At A Glance
67th of 194 in Costa Rica Sites
417th of 999 in English Language casino games
13th of 38 in TopGame Technology Dynamics Sites
14th of 36 in Visionary iGaming Sites
1379th of 3269 in Online Gaming Sites

Supported Languages
English, and French.
Currencies Accepted
Canadian Dollars, Euros, South African Rand, and United States Dollars.
Payment Methods
For Deposits and Withdrawals For Deposits Only
Player Location Restrictions
Players from the following locations are prohibited from playing at 21 Dukes:
Asia & Middle East
Central & South America
Costa Rica 
Bulgaria,  Denmark,  Poland,  Romania, and Ukraine 

21 Dukes Special Offers

This Halloween! - Get $35 Free Plus a 400% First Deposit Welcome Bonus!
21 Dukes is celebrating Halloween by giving you a special $35 free and a 400% bonus on your first deposit! - Be sure to use code: MAGIC35. - See all T&C's that apply to this fantastic offer.

Celebrate Halloween and See Whats New!
21 Dukes Casino is sure to delight you this October with some fantastic offers for you to win BIG!

1. The "Halloween On Your Screen Raffle" offers you a Grand prize of a "Samsung Curved 105-Inch 4K Ultra HD 3D Smart LED TV", with an estimated value of $120.000! - Each $100 you deposit will translate into 1 ticket and every $500 devoted to the "Transylvania" online video slots game will grab you 1 raffle entry as well!
2. Be sure to join the "Gravy Train Tournament" which runs each Wednesday from October 1st - 31st! - Each $1 you wager will get you 1 point closer to a huge reward with a first place prize of $25,000 Cash!

$15 FREE + 350% 1st Deposit, 250% 2nd Deposit and 200% 3rd Deposit Sign Up Bonuses!
Register an account at 21 Dukes Casino and receive a $15 bonus free with No deposit required! - Then make your first deposit and receive a 350% bonus up to a maximum of $3,333, make your 2nd deposit and get a 250% bonus and then make a your 3rd deposit and get a 200% bonus!

Your first deposit will automatically enroll you in a New Members Special Raffle that features one $500 and two $250 cash prizes!

Note: *The winners of the raffle will be announced at the end of the week. *Simply download the free 21 Dukes Casino software and start playing. *Minimum wagering requirement of 25X(deposit+bonus) must be met before any withdrawal. - Other T&C's apply.

$100K Tournament! - Every Week!
You can win up to $30K Cash, weekly, at 21 Dukes Casino! - Simply participate in their spectacular $100K Casino Tournaments every week, from Monday to Sunday, and play in all of the games in order to get your hands on one of the following cash prizes:


Note: *Minimum deposit of $25 is required to participate in tournament. *The system will track your progress by converting every bet you make on all games into tournament points. *At the end of the tournament the players with the most points are the winners. - Be sure to review any other T&C's that may apply to this great tournament offer.

Take a Look at the Fantastic Daily Cashback and Deposit Bonuses Available!
Take advantage of the following cash-back and deposit bonus offers every Monday through Friday at 21 Dukes Casino:
10% cash-back on deposit of $100
20% cash-back on deposit of $250
30% cash-back on deposit of $500
40% cash-back on deposit of $1,000
100% bonus on $100 deposit
150% bonus on $250 deposit
200% bonus on $500 deposit

Get a 50% stairway bonus for
every extra deposit made!
Each deposit >= previous one
Get up to a 500% total bonus
Ladies get 50% extra on
every deposit
Get a 100% free chip for
every deposit
Get a 300% bonus on
every deposit (casino only)
Be part of the Lucky 777 Casino promotion and be rewarded with a $777 bonus for a deposit of $222

21 Dukes News

21 Dukes Casino announces new October promos Never miss a moment of fun! read more

New September promotions at 21 Dukes Casino 21 has made progressive advancements during the summer months and is excited to announce their upcoming tournaments filled with cash prizes and real casino thrills! read more

21 Dukes Casino launches new August promos August starts in full swing with a thrilling casino promotion dedicated to sports lovers.  read more

21 Dukes Owner

21Dukes Group

21 Dukes URLs   English - Primary Site   français  (French)

Support & Contact Information

Support  -
Deposit  -
Withdrawal  -
Support Option  -  Live Chat, and Phone.
Support Line - +33 1 76 54 21 51
Support Line - +61 8 0046 9832
Support Line - +27 80 078 0011
Toll Free Canada - +1 800-274-7345
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