Is Nusa Penida possible for a day trip?

Nusa Penida is definitely doable as a day trip. If you're departing from Seminyak, you'll typically get picked up early in the morning and head to the ferry terminal, then take the ferry for about 30 minutes to 1 hour to reach Nusa Penida. Once there, you'll enjoy a snorkeling tour (usually 3-4 hours) and head back, with the whole process typically wrapping up between late morning and 4-5 PM. Just keep in mind that ferry rides can cause seasickness, so it's a good idea to bring motion sickness medication beforehand. Also, since Bali has narrow alleyways and traffic can get complicated, it's best to leave some buffer time for your hotel pickup. From Seminyak, you can easily get to the ferry terminal using Grab or Gojek apps, and it's quite affordable. BaliPick recommends the Nusa Penida Day Tour, so checking out the tour product will give you the exact pickup time and itinerary details.