The all-inclusive beach club day pass is the single best-selling thing on Cozumel, and it makes more sense here than it does on most islands. The west coast is the leeward side: no surf, no undertow, water that stays flat enough for a five-year-old, and a reef close enough that several clubs have snorkelling straight off the sand. The clubs sit strung down the coastal road south of San Miguel, which puts most of them ten to twenty-five minutes from the cruise piers by taxi. For a passenger with six hours ashore, that combination — flat water, food, a lounger, a bathroom and a fixed price — is genuinely hard to beat.
What confuses people is that "beach club" covers three different commercial models on the same stretch of road. All-inclusive clubs sell a wristband that covers food, drinks, a lounger and usually kayaks or paddleboards: Mr Sanchos is the best-known, generally around $79 for adults with lower teen and child rates, and Paradise Beach and Nachi Cocom operate in a similar band. Minimum-consumption clubs charge nothing to walk in but require you to spend a set amount on food and drink, which works well if you were going to eat lunch anyway and badly if you wanted two beers and a nap. Free-entry spots like the Money Bar at Dzul-Ha charge for a lounger if you want one and otherwise just sell you food, which is the cheapest way to spend a day on this coast.
Then there is Playa Mia, which is not really a beach club at all. It is a beach park with water-park infrastructure: inflatables, slides, a pool, organised activities. Families with children between about five and twelve consistently rate it highest; couples looking for a quiet lounger consistently do not.
The mistake worth avoiding is treating the price as the comparison. A $79 all-inclusive is excellent value if you are a family who will eat lunch, drink through the afternoon and use the kayaks. It is poor value if you arrive at 1pm, swim twice and leave at 3:30 to make all-aboard. Work out how many hours you will actually be on the sand before you decide which model fits, and remember the taxi each way is a separate, cash, negotiate-before-you-get-in expense.
One genuine Cozumel advantage worth naming. Sargassum seaweed wrecks beach days on the mainland Riviera Maya for months at a time, typically worst around April to August. Cozumel's sheltered west coast is far less affected, which is why the beach clubs here still work in years when Playa del Carmen's do not.