Fast boat transfers from Sanur Harbor to Nusa Penida take 30 minutes and cost 75,000 IDR each way - book tickets the evening before, especially during dry season (May-September) when boats consistently sell out. First departure usually launches at 8:00am, getting you to the island before the heat becomes absolutely punishing. The harbor is easily accessible by Grab or Gojek; parking costs 5,000 IDR if driving yourself.

Crystal Bay offers some of Indonesia's most exceptional underwater visibility - regularly hitting 25-30 meters even during rainy season. The water clarity is genuinely spectacular, perfect for snorkeling even without diving experience. Mola molas (oceanic sunfish) occasionally appear between July-November, though sightings aren't guaranteed. Water temperature hovers around 26-28°C year-round, comfortable with just a rash guard or thin wetsuit.

Here's the serious safety warning: Kelingking Beach viewpoint offers breathtaking cliff-top views, but that Instagram-famous path down to the actual beach is genuinely life-threatening. Loose limestone rocks, sheer 200-meter drops, and zero safety barriers have resulted in multiple helicopter evacuations and fatalities. The viewpoint itself provides incredible photos without risking your life - resist the urge to attempt the descent unless you're an experienced rock climber with proper equipment.

Rent a scooter at Toyapakeh Harbor for 70,000 IDR per day - roads are rough but manageable if you take corners slowly. Angel's Billabong and Broken Beach are absolutely worth the bumpy ride, just stick to designated viewpoints. Local warungs near each attraction serve fresh grilled fish and nasi goreng for 25,000-40,000 IDR. Bring cash - card acceptance is virtually nonexistent outside the harbor area.