We booked it.
Here is their marketing blurb we got. I especially like the refundable deposit if ship does not make it to port.
Greetings from Cozumel Cruise Excursions,
Thank you for your interest in our Cozumel Beach Break Excursion at Nachi Cocom. We currently show availability for the date you have requested. This is the perfect way to spend your day in Cozumel, enjoying all the wonderful amenities of this tropical paradise.
So many cruise passengers just want to get away from the throngs of people, and relax on a sandy white beach with crystal clear water. In short, just looking to spend some time in their own little slice of paradise. Our beach club will give you that and more.
Your Beach Break is located along a stretch of Cozumel's most beautiful beach and is open daily from 9am-5pm. The club has the nicest beach in Cozumel by far! The facilities include a spectacular beach, beautiful swimming pool with swim up bar, a spacious Jacuzzi, a beautiful palapa restaurant, comfortable beach chairs, palapas for shade on the beach, bathrooms and outdoor showers. Jet Skis rentals can be arranged directly from our water sports department upon your arrival. (approx $60usd/1/2 hour) Along with parasailing at $55usd/ flyer. This can be arranged upon your arrival. Snorkel gear, kayaks,floats are also available from the watersports shop for rental.
Upon your arrival you will be given a warm welcome, information regarding the facilities, and preferential seating on the beach! All Island Marketing clients are guaranteed beach lounge chairs

Take a nice long walk, bask in the sun, swim, snorkel, or just kick back and relax.
Your All Inclusive Beach Break Package includes an open bar with unlimited domestic drinks that include: Pina Coladas, Rum Punch, Margaritas, Sex on the Beach, Daiquiris, Beer, Soda's, Juices, Bottled Water, and other tasty concoctions. International brands such as Jack Daniels and many others are also available with this exclusive package. Soft drinks in glass (Jet Spray) Coke, Fanta, Sprite and Purified Bottled Water are also available.
Your lunch is a tasty 3 course meal served A La Carte and at your liesure during your day at the beach.
To make this truly a special experience for those looking to enjoy some privacy and seclusion at our beach club, admission is limited to approx. 100 guest daily.
This exlcusive beach break package is specially priced at $49.00usd /adult, $29.00 usd for kids 12yrs -17yrs, $12usd for children 4-11yrs. Children 3 and under are free. Note to parents: the drinking age in Mexico is 18 years and is strictly enforced.
Our Cozumel Beach Break at Nachi Cocom cannot be booked from your ship and is booked online and in advance through our reservations system.
Our special beach break allows you to get away from the long lines, packed buses and over crowded beaches associated with Cruise Ship organized beach clubs excursions.
The club is located approximately 10 miles from your cruise ship pier and is a short 15 minute taxi ride. Due to port regulations and agreements with taxi unions we cannot provide transportation for you. You can easily arrange a taxi from your terminal for under $15 for up to 4 people. Vans can be arranged for larger groups. This is very safe and simple to arrange from your cruise port, and there will be a line of cabs waiting to bring you back to your ship when you are ready to leave. There is absolutely no risk whatsoever of missing your ship.
Due to this excursion's popularity, and to ensure your preferential seating (which is limited) please be sure to reserve your space on this excursion ASAP.
A $12 usd/ adult,$7usd/child (12-17) and $5usd (4yrs-11) Deposit is required in order to secure your reservation (fully refunded in the event your Ship does not make it into port. Please refer to our Terms of Reservation by visiting our website The balance is due at time of excursion in cash or traveler check only.
http://cozumelcruiseexcursions.com/Terms.htm
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We pride ourselves on providing prompt and professional services to our valued clients. If you have any additional questions, please email us or go to our LIVE HELP on our site and you may speak directly with one of our experienced agents who will give your excellent information and assistance with your reservation.
Following receipt of your secure reservation, a confirmation email will be sent to you with specific meeting and payment details and other information regarding your trip.
We appreciate your enquiry and look forward to securing a wonderful excursion for you.