The Ocean Casino!

This means that the game casino before him is likely situated on a ship. Although the outside situation isn't very clear, it's easy to guess that the weather might be somewhat harsh.

With the ship rocking like this, anyone prone to seasickness might have trouble keeping their balance.

The room's decor is exceptionally high-class, or perhaps a bit gaudy, with sixty percent of the area covered in gold, and the rest adorned with various other vibrant colors.