The man was arrested on suspicion of rape after 14year- the old man was attacked in in public toilets on Bournemouth Pier.
Police were called to the scene on Saturday at 8:30 after the attack on a teenager in objects on Pier.
Detectives investigating the incident have now confirmed that the Bournemouth man has been arrested. on suspicion of rape and interrogated by officers.
Chief Detective Inspector Ross Graham, of CID Bournemouth stated: “We are doing our best to support victim in this case and family fully preserved updated.
“We carry out detailed investigation of this issue and our inquiries remain continuous.”
County Inspector General Darren Harris, of from the local checkpoint police station, said: “We continue work jointly with The BCP Council and other partner agencies for ensure we have increased our visible presence along the waterfront and this effort will continue throughout the rest of the area of spring and summer.
“Policemen, police community support offices, employees of the Public Safety Accreditation Scheme (CSAS), and council employees can contact members of in public with any worries.
“Rescuers and RNLI staff can also come up, with their beach towers serving as a safe place for problem solving or further search help”.