DiamondOnyx is a casino hotel in the heart of Niagara Falls. Alongside our rooms, dining and spa, the resort is home to a dedicated adults-only entertainment area — a relaxed, elegant space to enjoy an evening of games during your stay.
Our gaming lounge is open exclusively to hotel guests and visitors aged 19 and over. Friendly hosts are on hand throughout, and our team is always happy to help you get the most from your visit.
Plan your visit
Games & experiences
Slots & electronic games
A vibrant floor of slots and electronic table games, from classic reels to the latest titles, with seating for a relaxed evening.
Table games
Live table games including blackjack, roulette and poker, hosted by professional dealers in a welcoming setting.
Live casino lounge
Our live lounge brings the energy of the table to life, with attentive service and a comfortable, social atmosphere.
High-limit area
A quieter, dedicated high-limit space for guests who prefer higher stakes and a more private experience.
Sportsbook lounge
Follow the action on the big screens in our sportsbook lounge — a great place to watch the game with a drink in hand.
VIP lounge & hosts
Our VIP lounge and dedicated hosts look after our members with personal service, reserved seating and tailored hospitality.
Practical information
- Open to hotel guests and visitors aged 19 and over.
- Located on-site at DiamondOnyx, 6045 Stanley Avenue, Niagara Falls, ON.
- Smart-casual dress is appreciated in the evening.
- Our hosts can arrange dining and rooms around your visit.
Casino hall access is available for hotel guests aged 19 and over. Please contact the hotel team for details. Please play responsibly — support is available 24/7 from ConnexOntario: 1-866-531-2600.
Responsible Gaming