Thu: Fly to and cycle San Cristobal highlands Fri: Snorkel or dive with seals and manta rays at Kicker Rock Sat: Snorkel Floreana Island, visit pink flamingos Sun: Hike Sierra Negra Volcano Mon: Sea kayak Isabela Island, coastal hike Tue: Hike Santa Cruz highlands and Tortuga Bay, visit Giant Tortoises Wen: Visit Charles Darwin Research Station, snorkel Santa Fe Island Thu: Optional hike and return to Quito