Ask your local property manager. Almost all homes and condos supply bottled water. Enquire of local management if you have questions. It is probably not a good idea to eat unpeeled fruit or uncooked vegetables. If you want to eat unpeeled fruit, rinse it in bottled water.
Restaurants usually prepare food and ice with bottled water.
Most of the tourist attractions only accept Pesos for admission. Sometimes an entire day will be overcast with light rain. The rare hurricane can bring heavy rain. May-October, the low's will be high 70's. Speed limit signs are in Kilometres per hour.