Belize honeymoons begin with diving trips from San Pedro to more than 35 idyllic sites. Hol Chan Marine Reserve is one of the most popular, due to its transcendently beautiful coral reefs and abundance of brightly colored fish. Adventurous couples will relish the unparalleled adrenaline rush that comes with swimming with sharks in Shark Ray Alley. What could be more thrilling than getting up-close and personal with these majestic creatures? See more exotic species at the Green Iguana Conservation Project.