Some of the best diving on earth. But, Taking even a guided day trip up a river and the heat and humidity will kill you. Brutal.
It makes Florida seem cool. We ended that quickly and just checked out reefs.
When we were there and maybe it has improved. If you Rent a vechicle and take it down a rural road at night or even at dusk, then you are considered fair game for, anything. In particular bridges or even a large culvert. Armed scum are everywhere. Like most places
they know the difference between locals and tourists driving a rental. No problem in daylight
Fish tacos, and ceviche top shelf.