Constituency candidates will field queries at a Question Time-style forum.
Contenders from across the political divide will state their case at Eastbourne Town Hall in Grove Road.
Eastbourne is a marginal seat with sitting Tory MP Nigel Waterson fighting to preserve his 2,100 majority on May 5.
However, the nearest challengers, the Liberal Democrats, have earmarked the town as one of its most winnable seats.
A party spokeswoman said Lib Dem parliamentary hopeful Stephen Lloyd needs only a two per cent swing to turn Eastbourne yellow.
Other contenders in Eastbourne are Labours Andrew Jones, the Green Partys Clive Gross and Ukips Andrew Meggs.
The forum will be chaired by outgoing Eastbourne College headmaster Charles Bush on Friday from 7.30pm.
The meeting is free and open to everyone.
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