Early on in the movie, Bond plays cards in the Bahamas:

Have never seen any of these "Ocean Club" chips .

The company that made the chips for the film (Cartimundi) also made sets of chips for the home market. Virtually impossible to tell the difference between these and the actual props.

Scan from the movie:

You can also buy pieces of props from the film. A piece of the roulette table felt:

A piece of one of Bond's costumes:

There were also plaques used in the film:

Here are the real ones. Occasionally you see one come up . Very expensive.

Cartimundi also made some knock-offs of these. Note the spelling: "Casino Royal".

Corgi also made a copy of the plaque. Used as the COA for one of their limited edition model cars:

The store "Circuit City" had a coin made that they gave away with the sale of the Casino Royale DVD: