Island Rock Indoor Rock Climbing 60 Skyline Dr, Plainview, NY11803 Island Rock is one of the premier indoor rock climbing facilities on Long Island. This location has more than 9,000…More square feet of climbing space for climbing, belaying and rappelling, as well as Cybex training and cardiovascular equipment. Rock climbing is the ultimate fitness experience and is a great way to take the boredom out of exercising. No experience is necessary because the experienced staff will have you climbing in no time. Island Rock offers instructional classes, memberships and private party packages. All equipment, gear and accessories are available for rental and purchase. Visit the website for the calendar of events and special deals. Gift certificates are available.