Diamante’s Costa Rica zip line course is a must-do experience offering the longest ride times and featuring the superman, a nearly mile-long ocean view zip line. Also included is a free fall quick jump. The dual lines let guests share their experience with their families and friends, riding side by side. 2 This Guanacaste zip line is designed and engineered for fun and safety and built according to ACCT standards. Diamante uses state-of-the-art carbon lines, and an automatic braking system, so guests never have to touch the lines. The team of trained guides and the professional equipment enhance the entire experience. Ready to experience the best zipline in Guanacaste, Costa Rica? Book your ...