Bittersweet Ski Passes Bittersweet Ski Passes will be on sale at Unity Monday-Friday October 9-13. Passes will be sold during break and lunch to students. Passes will also be available in the office during school hours (7:30 am-3:30 pm). Student passes are $16. Adult passes (non-students over the age of $18) will also be available for $16. If you have any questions, contact Rob Bosma at 616.669.1820.