Long Beach has 8 beaches -- including a dog beach. Unfortunately, even with all that beach there aren't many waves.
There are over 100 beaches in the Dominican Republic
there were three seasons, they cancelled it after the third because of the third seasons terrible ratings.
Rottnest Island has some of the world's most spectacular beaches. Tourist websites will say there are over 63 beaches and/or secluded places to swim. For more information on specific Rottnest Island...
Considering Cuba is an island (a land mass completely surrounded by water), i would say it has quite a lot of beaches. Uncountable.