Which Mayan ruins are the best?

[buckeyespartan]

We will be cruising on the Grand Princess in March and while there we would like to see some Mayan ruins. Our options are: Chacchoben or Kohunlich in Costa Maya; Altun Ha, Lamanai, or Xunantunich in Belize City. Any suggestions from anyone as to which ones are worth seeing or not would be greatly appreciated. You may email me directlty if you prefer at tpage@msu.edu Thanks.

[Bayoulady]

We just came back from a cruise on the Grand. In Costa Maya, we visited Chacchoben. The ruins and location were not as beautiful as Tulum but very interesting.

[buckeyespartan]

Thanks. From what I can see on the web, that appears to be the best choice of the ones available to to us. Any other info on the Grand that you care to pass on? Did you do any other shore excursions?