I don't know about the disney beach break..but we did go to Mr. Sanchos...there is no cost, except the cab ride to get you there. It is $15 there, I think for up to 4 people..we paid $14 to go back, we were dropped at the forum shops.
We loved Mr. Sancho's...you can check it out at mrsanchos.com.
The beach is beautiful, great restaurant...you can eat inside or down in the sand. Great swing bar (the seats are swings). Water trampoline for the kids. Beautiful large hot tub. Locker area. The bathrooms are very clean and very nice. There are also some little shops to look around in. ATV rentals, horseback riding area...probably more things, as we just relaxed and ate..lol.
Hubby said he could spend days there..I said there isn't a hotel..he said, I bet there is one close...lol.
The food is absolutely delicious...there were coupons for a free ice cream or a free margarita on the website when we went (9/13 magic). Try the guacamole...best we have every had. The servers are excellent.
Hubby and I can highly recommend Mr. Sanchos. Well worth the trip. We spent about three hours there...could have stayed longer, but, it was our first time to Cozumel and we wanted to get going and check out the rest of the town.
Enjoy!
Cheryl