I will be traveling to France this summer and am considering visiting Cassis for 2 nights some time between August 5-9. I have heard it is extremely busy at this time of the year though so I am somewhat wary. Is it so busy that I should skip it? Cassis seems beautiful and I would love to enjoy the sun and beach, as well as rent kayaks and visit the Calanques. But will it be so packed that we can't get a spot on the beach or reservations for dinner? Thanks to all who can offer some advice.