We are still soliciting papers that present the results of scientific investigations on which to base a sustainable ecology for the Riviera Maya and the Yucatán Peninsula. The symposium will take place in Akumal, Quintana Roo, México at the CEA Center May 19–21 of this year. We request that you submit your abstract as soon as possible. This will enable us to put the abstracts together and send them to you before the symposium. Please contact Charles Shaw.