Islanders take an icy plunge on New Year’s Day Orcas Islanders started the year off right at the Polar Bear Plunge in Cascade Lake. January 7, 2013 3:54 pm Orcas Islanders started the year off right at the Polar Bear Plunge in Cascade Lake. Orcas Islanders started the year off right at the Polar Bear Plunge in Cascade Lake.