The shortlist is split into two categories, professional and non-professional (open to any member of the public), with the winner of the professional category having the possibility of building their scheme in Blackpool.
The five shortlisted professional designers are: Tim Phillips, from the National Piers Society; John McLean, from Morgan Carn Partnership and Humberts Leisure & Hemsley Orrell Partnership; Xu Sheng from Kingston University; Mike Oades from Atomik Architecture with XCO2; and Brian McArthur from Aedas Architects.
The five non-professional finalists are: Raymond Cowling, Daniel Roberts, Ian Hughs, Alison Kelly, Michael Hambridge.
Aiming to generate new and imaginative uses for the emblem of British seasides, the 21st Century Piers Competition was set up by the British Urban Regeneration Association (BURA) to reinvigorate the ailing seaside symbol.
Each category will be judged by an expert panel, including Ken Yeang, from Llewelyn Davies Yeang Architects, and designer Wayne Hemingway, and the winners will be announced in September.
Two other entries, by Daniel Taylor and 16-year-old Jem Tucker, were highly commended.