A 32-year-old man handed himself into a police station in Slough at lunchtime on Wednesday, confirmed police.
He has been detained on suspicion of attempted murder and taken into custody, police said.
Officers were called to a property on Sussex Wharf on Shoreham Beach around 8.15pm last night to a report a woman had been stabbed multiple times.
A 36-year-old woman was taken to the Royal Sussex County Hospital in a serious but not life threatening condition, said police.
Residents on the Beach reported numerous police cars at Sussex Wharf, with a search helicopter circling overhead.
Detective Inspector Chris Leech said: ‘A man has been arrested in connection with the attempted murder of a woman in Shoreham.
‘We would like to thank the public and media for their assistance in this investigation.’