Authorities are investigating her death as suspicious, pending autopsy and toxicology tests.
A couple walking on the beach early Monday morning found Hoang's body face down in the sand near the water across from Highland Street. The woman did not have a purse or a identification with her.
Police are looking for surveillance video that may shed some light on how she died. Anyone with information on the case is urged to call the Newport Beach Police Department's hotline at (800) 550-NBPD.