‘Esper’ is an Oyster 435, built in 1989.


Photograph credit: O’ Kyam


She is a coach-roofed ketch cutter and is only one of two built to this specification.



Esper’s Technical Specification


  • Esper

  • Oyster 435

  • Designed by Holman and Pye

  • Built in 1989, Ipswich, Suffolk, UK

  • Builder Ego Dridge/Oyster Marine

  • Construction Material GRP

  • Flag UK

  • Registered Port London

  • Hull Number 46

  • Length Over All 13.22m

  • Beam 4.18m

  • Draft 2.2m

  • Displacement 13,608kg

  • Ballast Encapsulated cast iron keel


Esper was refitted in 2014

  • Esper refit
  • Esper refit
  • Esper refit
  • Esper refit

We recorded the entire refit into 45 episodes!