Results will be broadcast live this evening
Voting is open for people in Patrick to elect one new commissioner.
Residents can vote at their allocated polling station from 8am until 8pm tonight.
The candidates are Richard Jones and Kevin Oliphant-Smith.
John Wannenburgh: 'Commitment, compassion and an unwavering sense of duty'
Tributes following the unexpected death of Douglas North MHK
Manx Utilities 'deeply saddened' by death of chairman
Wannenburgh praised for 'exceptional' leadership
"Tynwald will be a less colourful place without John" says president
Watterson describes Wannenburgh as 'devoted' to constituents
Douglas North MHK pays tribute to 'amazing friend'
Wannenburgh had 'biggest heart of anyone I've ever met' says Ashford