The woman was found injured in Victoria Park on Sunday evening (27 November).
The woman in her 20s had a head injury and was found at around 9.30pm. She was treated in hospital, with her injuries not considered life-threatening.
Sussex Police have launched an investigation and are urging anybody who witnessed any suspicious activity in the area to contact them online or call 101, quoting serial 1171 of 27/11.
Eastbourne Carnival 2026
Eastbourne: Investigation launched into derelict building fire
Arrest made after man exposes himself in Polegate
Raystede's free family learning days return this Easter
Mims Davies MP welcomes constituents to Parliament for Prime Minister's Questions
Ashdown Radio Sport
Family reviews place Hailsham care home In region's Top 20 Care Awards
Plans submitted for new sauna and wellness facility in Polegate