Emergency Medical Services personnel responded to a call of a near-drowning at the Courtyard Oahu North Shore in Laie.
The call came in at 1:51 p.m. Saturday.
A two-year-old boy was found unresponsive in the pool.
Bystanders initiated CPR and got the patient to breathe.
Paramedics continued with advanced life support treatment and transported the victim in critical condition to an area hospital.