There are lots of restaurants offering Belizean. There are local night clubs to visit, or you can just relax and have a Belikin at Serenity Sands.
There are a few Mayan ruins near Corozal, the nearest Santa Rita, the furthest away, Xuanantunich which is approximately 3 hours and 20 mins by road. Other places of interest Belize include:
Crooked Tree Wild Life Sanctuary, Baboon Sanctuary, and the Belize Zoo.