Here are 5 encounters that can be located in the resort after unlocking the lifeguard tower.
#1 Haris is saved at the surf shop on the beach before the lifeguard tower.
#2 Jose is saved at bunker 06 at the bottom of the beach.
#3 Steve is saved at bungalow 10 in the pool area.
#4 Alfred is saved from a music stage on the beach
#5 Richard is saved from a lifeguard shack near the beach bungalows
here is a map of their locations