Diving is a must-try experience if you are in Galapagos as here allowing you to get in touch with various huge and rare marine wildlife including sharks especially hammerhead shark, sea turtles, sealion, rays, etc. in a very close distance.
Diving Site: North Seymour, Baltra Island
Standard diving cost: US$150 for 2 dives
(All photos are taken by my diving master, dated on 1 April 2014)