I was on the All-Inclusive/Lembongan Highlights tour, and while there were some challenges with this trip (low tide meant that we had to forgo the mangroves tour part, and large number of people meant some down time between portions of the trip where taxi/buggies had to be arranged), I would do this all over again just for the snorkeling bit, which was amazing. If I could, I’d snorkel all day there (and not during peak season). Nusa Lembongan is the junior sister to Nusa Penida, which draws more visitors, but is well worth a visit for its quiet, laid-back vibe. The trip over from Sanur was a quick 30 mins boat ride, and while you’re handed off from one facilitator to another, all of the guides that I met were nice and patient.