Guarantee Sightings. If there are no sightings, we do not offer refunds but we do offer a FREE RERIDE. *If you are purchasing a NOT SNORKELING ticket please be advised that there is no guarantee of seeing manta rays from the boat. With check-in time, boat travel, and water time: Total time is around 1.2 hours. (25-30 of that is water time). We operate a smaller boat; a 23 foot RHIB (Zodiac style) boat and take 11 passengers. Tour duration from departure to return is about 50 minutes in length which includes 25-30 minutes of water time. Important note: -Participants must be experienced swimmers and in good health in order to participate. -Must have basic snorkeling experience. -Casual Use Life Jackets are not provided unless 13 years of age and under. -Weight Policy: Anyone 260 and over (not to exceed 320) is required to purchase an additional seat. -Wetsuits are optional and available to rent at check-in. -Please do not bring valuables as we do not have an office and you will need to keep your belongings in your own vehicle. -Tour times are subject to change. -Ocean conditions can change without notice; choppy ocean conditions may occur.