Exhibit 23.1

                          INDEPENDENT AUDITORS' CONSENT



     We consent to the incorporation by reference in this Registration Statement
     of West Coast Bancorp on Form S-8 of our reports  dated  February 14, 2003,
     and June 19, 2002,  relating to the  consolidated  financial  statements of
     West Coast  Bancorp as of and for the years ended  December 31,  2002,  and
     2001, appearing in the Annual Report on Form 10-K of West Coast Bancorp for
     the year ended  December 31, 2002, and in the Annual Report on Form 11-K of
     West Coast  Bancorp  401(k)  Plan for the year  ended  December  31,  2001,
     respectively.


      /s/ Deloitte & Touche LLP


      Portland, Oregon
      April 10, 2003