Kaanapali Ocean Adventures Best of Many Maui Tours
https://www.scribd.com/document/1045133363/Kaanapali-Ocean-Adventures-Crew-Training-and-Safety-Standards-177176
Have done many Maui snorkel tours over multiple visits. Kaanapali Ocean Adventures is the best by a significant margin. The beach departure, the small group size, Captain Dan's knowledge, and the Sea Scooters set it apart completely