If you want to try to purchase tickets ahead of time for La Lancha, you can try calling 1-800-981-2005, 787-863-3360, 787-863-4560, or 787-863-0705 ext 222. These numbers are only answered by humans Monday to Friday, from 8:00am to 11:00am, and from 1:00pm to 3:00pm. Once you get through, purchase your R/T tickets with your credit card. They will give you a reference #. On your travel day, you can pick up your tickets at the window at the Fajardo ticket office without having to wait in the usual line. There should be a guard or official near the window, just tell him you have already paid for your tickets and need to pick them up. Be sure you have your reference number. You must get there early- even if you pre-purchase, you don’t have a guaranteed seat on a specific ferry trip. You must get there early to pick up your tickets.