Food Safety Report: Moon Palace The Grand - Cancun, Cancun - Chetumal, Riviera Maya, Cancún, Quintana Roo, Mexico 1 year ago • details 32 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain Suspected source: Poor food sanitation Onset: Not sure Duration: 12 to 24 hours Sick: 3 people