The Sea las Perlas ferry leaves every morning at 7:30 AM from the dock at Las Brisas de Amador. The dock is located at Isla Perico on the Amador Causeway . The ferry runs 7 days a week, and is usually a good bit more flexible when it comes to excess luggage, coolers, boxes, and other cargo.
You can book online at http://www.sealasperlas.com, or here on their website directly below: