Glide through ethereal lava-arch tunnels teeming with sea horses, white-tip reef sharks, manta rays, and nesting blue-footed boobies. This is Isabela's single most jaw-dropping marine landscape — a bucket-list snorkel unlike anywhere else on Earth.
What to expect
A 45-minute panga ride south from Puerto Villamil deposits you at a geological wonderland: collapsed lava tubes now submerged just below the surface, forming cathedral-like arches you swim through. Above the waterline, blue-footed boobies nest within arm's reach on the black rock. Below, Pacific seahorses cling to coral, white-tip sharks rest on sandy shelves, and eagle rays sweep overhead. You surface for a picnic lunch on a pristine beach before the return ride.
Good to know
Tour runs ~5 hours; confirm your ship's all-aboard time before booking — depart by 08:00 for comfortable return. Pre-book at least 72 hours ahead; spaces fill fast. Wetsuits provided; bring reef-safe sunscreen only.
Sail there
Luxury cruises that call at Elizabeth Bay (Isabela) — book through us, the fare is identical and your concierge stays on your side.