Whale Watching
San Juan Safaris This company takes off from Roche Harbor so it is a good option for those staying near the resort.
Museums
Hiking
Lime Kiln State Park A costal park minutes south of Roche Harbor with a lighthouse.
Young Hill Just down the road from Roche Harbor, this 2.2 mile roundtrip hike has a nice view at the top.
San Juan Island National Historic Park A park in the southeast corner of the island with historical sites, beaches and hiking trails.