Sheriff Brian Hawthorne says two duck hunters discovered the body of 23-year-old Tamara Rivera of Baytown.
Rivera was reported missing on Thursday night by her mother.
The Chambers County Sheriff's Office says they sent a boat with a detective and crime scene investigator to examine the scene.
An autopsy of the body has been ordered to determine the ultimate cause of death and a possible motive.
Authorities ask if you have any information regarding the case, please contact the Chambers County Sheriff's Office at 409-267-2500 or Crimestoppers at 281-842-5521.