This trip is rated Moderate . There are a variety of activities including moderate hikes, mountain biking and sea kayaking. In general, the island hiking is moderate in both length and terrain. We are not moving at a fast pace as our primary objective is to take time to enjoy the wildlife. The biking on Isabela Island is on unpaved, sand and gravel roads with some small rolling hills. You can choose not to bike this portion. Sea kayaking is broken up with stops to take advantage of snorkeling opportunities.