A man was hospitalized in critical condition after being pulled from waters off East Oahu Sunday.

It happened at approximately 10:45 a.m. in an area known as “Baby Makapuu,” between Makapuu Beach and the Makai Pier on Kalanianaole Highway.

According to the city Ocean Safety and Lifeguard Services Division, crews received reports of a possible snorkeler who was brought to shore by bystanders.

Lifeguards initiated CPR until paramedics arrived to treat the man and take him to the hospital.

He is believed to be in his 50s.