When going for a swim, keep in mind that there are numerous sharp corals along the shore, particularly at Tongatapu and PangaiMotu. While in the water, it is a good idea to wear an inexpensive pair of sandals. There are jelly fish that sting! They are also difficult to see. It’s a good idea to have a bottle of vinegar in your luggage for treating stings.
An epidemic of chikungunya, a mosquito-borne illness, began in 2014, therefore avoid insect bites. In early 2015, an epidemic of Dengue fever was also detected. Tonga, on the other hand, is malaria-free.
When snorkeling, use normal care since the coral may be hazardous.