The prince is in the Central American country as part of a Diamond Jubilee tour in honor of his grandmother, Queen Elizabeth II, who is celebrating 60 years on the throne.
Harry helped unveil the newly-named "Queen Elizabeth II Boulevard" and then attended a block party, where he sampled the local rum and tasted local dishes.
He then showed off his dance moves while sporting a traditional Belize shirt.
Harry is also set to travel to the Bahamas, Jamaica and Brazil as part of the trip.
Most senior royals will be dispatched across the globe to celebrate the aging monarch's Diamond Jubilee.
The Associated Press contributed to this report.