Featured Image. Napili beach Maui Hawaii (31868667968) by dronepicr, CC BY 2.0, via Wikimedia Commons Key Takeaways Nāpili Bay is a sheltered crescent beach with exceptionally calm water, making it a top family and beginner-snorkel destination on West Maui Water depth reaches only 3–8 feet near shore, visibility is clear, and the sandy slope is gentle — ideal for kids and families Sea turtles (honu) are regularly spotted; federal...