It was around 7:00 p.m. when police were called to the 2100 block of Shore Road to conduct a well-being check on 32-year-old Erika Polandis after family members were unable to contact her.
Upon arrival, police said they found Polandis dead at the bottom of the pool.
A preliminary autopsy was conducted on Monday and the manner of of death was determined to be asphyxia due to drowning, the county medical examiner ruled.
However, police did not release any details as to the circumstances of her drowning.
The Atlantic County Prosecutor's Office Major Crimes Unit and Linwood Police are investigating.
Anyone with information is asked to contact the Major Crimes Unit at 609-909-7666.