What cultural faux pas should I try to avoid making in Placencia?

"It is important to be respectful of local customs and traditions when visiting Placencia. It is best to dress modestly and avoid wearing revealing clothing. It is also important to be aware of local religious beliefs and to be respectful of religious sites. Additionally, it is important to be mindful of local language and to avoid using offensive language. It is also important to be respectful of the environment and to avoid littering. Finally, it is important to be aware of local customs and to avoid engaging in activities that may be considered inappropriate or offensive," said another expat in Placencia, Belize.