Wavelength Eco Snorkel Reef Tour is a truly unique reef experience for the traveller who seeks a more personalised and relaxed approach to exploring the Great Barrier Reef by mask snorkel and fins. Carrying only 30 people and dedicating its entire Outer Reef day to snorkellers Wavelength is in the rare position of being able to provide a customised experience that meets your needs whether you are a beginner or an experienced snorkeller.