Experience Kailua-Kona after dark as mantas glide through plankton lit by underwater lights. This guided night snorkel pairs a short sunset cruise with up-close, respectful viewing of feeding manta rays.
More ways to explore the area's outdoor wonders
Night folds over Kailua-Kona and the harbor becomes a low-lit stage; the boat idles, engines softening while the sky still holds the last blush of sunset. Lights under the stern scatter like beacons, drawing tiny plankton into a pulsing cloud—an invitation the mantas cannot refuse. When you slip into the warm Pacific, the water is cool against your wetsuit top and a slow, enormous wing moves into view. Mantàs glide, mouths open, sweeping the lit water with effortless authority. The current seems to nudge you closer; the ocean dares you to watch.
Difficulty
moderate
Duration
2–2.5 hours
Fitness Level
Moderate fitness with comfort in open water and ability to snorkel; non-swimmers may use flotation but should check with operator.
Wildlife
History
Kona’s coastline has long been part of Hawaiian subsistence fishing and voyaging culture; modern manta tours use that local maritime knowledge to locate animal feeding zones.
Conservation
Operators follow no-touch policies and encourage reef-safe sunscreens; limiting light intrusion and following guide instructions minimizes disturbance to feeding mantas.
Reserve your spot on the Big Island: Manta Ray Night Snorkeling Adventure in Kailua-Kona today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Arrive Early and Check-In
Plan to arrive at the harbor 20–30 minutes early to find parking, check in with crew, and hear the safety briefing.
Bring Seasickness Medication
If you’re prone to motion sickness, take medication before boarding—nighttime swells can feel stronger than daytime calm.
Use Reef-Safe Sunscreen Before Sunset
Apply reef-safe sunscreen ashore before boarding; once the tour starts, avoid reapplying in the water to protect marine life.
Respect the Animals’ Space
Follow guides’ instructions, keep slow movements, and never touch or chase manta rays—close views happen best when you stay calm.
Mask and Snorkel (personal)
A well-fitting mask improves visibility and comfort; you may prefer your own over rental gear.
Wetsuit Top or Shorty
A jacket-style wetsuit top keeps you buoyant and protects against chill during night swims.
winter
Anti-Nausea Medication
Pre-taken for those susceptible to motion sickness—the boat ride and night swell can trigger nausea.
Waterproof Headlamp (red or low-glow)
Use only when allowed by guides for safe movement on deck; avoid bright white beams while in the water.