Promotional value expires 90 days after purchase. Amount paid never expires. 48-hour cancellation notice required. Subject to weather. Reservation required. Must sign waiver. Please email mykonaadventures@gmail.com before purchasing the voucher to check tour date/time availability as Groupon-eligible tour times and seats are limited. Nighttime hours are 6:50, 7:40, and 11:00 PM Sightings are not guaranteed. Online calendar may not reflect seats available for voucher redemption. A credit card on file for all reservations is required as part of our company policy. Limit of 6 vouchers per person (up to 6 seats per booking party). For larger groups, please contact My Kona Adventures. May be repurchased every 180 days. Tour times are based on availability and are subject to change due to sunset times. Online calendar may not reflect real-time availability. Duration: Approximately 80 minutes, which includes Check-in, travel & water time. Water time is approximately 25 -30 minutes. Weight restrictions apply. Please email for details. Must be an experienced swimmer/snorkeler in order to participate. Not recommended for anyone with medical conditions such as breathing or heart conditions. All physical levels are welcome but you must be able to climb up a partially submerged ladder. For safety reasons, we do not allow any children under 5 to board and to participate all children are also required to be experienced swimmers. We operate a RHIB (zodiac style boat) - not recommended for anyone with limited mobility. Maximum of 11 passengers per tour time. Valid only for option purchased. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Limit 1 per visit. All goods or services must be used by the same person. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Offer is not eligible for our promo codes or other discounts. Learn about Strike-Through Pricing and Savings