Police were called to the home on Comerong Island Road, Numbaa, about 11.20am on Friday, after the 51-year-old was found by a family member who had gone looking for her after being unable to get in contact.
Police and paramedics raced to the property and the woman was pronounced dead shortly after.
Detective Inspector Scott Nelson told NCA NewsWire first responders had walked in to a “confronting” scene.
“There was evidence she had sustained fatal injuries,” he said.
About half an hour later, a 37-year-old man was arrested nearby the scene.
The man was taken to the police station in Nowra and was later charged.
“We believe he was known to the woman,” Mr Nelson said.
The man was refused bаil to аppeаr in Wollongong Bаil Court on Sаturdаy.
Police will prepаre а report for the coroner.