Most dive schools in Bajo teach the basics in the ocean, but Blue Marlin makes a splash with the town's only purpose-built dive pool. Day trip from a 15m custom fibreglass boat, or take Toby the speedboat and arrive at dive sites before the crowds.

There's a restaurant and bar onsite (mains 36,000Rp to 60,000Rp) and accommodation (dorms from 150,000Rp, doubles from 950,000Rp).