This needs to be done VERY far in advance. We recommend booking a ferry no later than 2 months prior. These ferries book fast.
You will leave from Anacortes (arrive at least 45 minutes before the boat leaves)
You will choose Orcas Island
You can book your ferry on this website: Washington State Ferries Vehicle Reservations System (WSF VRS)
HERE is a link to it's website with directions to how to get there.
The Address is: 3572 Olga Road, Olga, WA 98279