Nusa Penida Activities with Purpose: Diving, Adventure, and Conservation Adventure That Makes a Difference The islands of Nusa Penida, Nusa Lembongan, and Nusa Ceningan have become some of Indonesia’s most sought-after destinations. Travelers flock here for the turquoise waters, towering cliffs, white-sand beaches, and—most of all—the thriving underwater world. From swimming with manta rays to...