Board Hoku Nui at Keauhou Bay for a 90‑minute night snorkel above the famed Manta Ray Village. Guided floats, wetsuits and snorkel gear are provided; if mantas don’t appear you can rebook for free within seven days.
More ways to explore the area's outdoor wonders
The sky darkens over Keauhou Bay as the catamaran Hoku Nui eases away from the pier. Salt and diesel hang in the air while the crew rigs lights that will turn the ocean surface into a lure for life below. You don a wetsuit, listen to a concise safety briefing, and step into warm Hawaiian water to float above the glow where mantas come to feed.
Difficulty
moderate
Duration
1–1.5 hours
Fitness Level
Suitable for travelers with moderate fitness who can enter and exit water repeatedly and float face-down for ~45 minutes.
Wildlife
History
The Kona coastline formed from relatively recent volcanic flows; night manta encounters became popular in the 1980s when guides learned to attract plankton with lights, creating a consistent viewing site.
Conservation
Use reef‑safe sunscreen, avoid touching marine life, and follow local guidelines—the operators work to minimize disturbance by using organized floats and light protocols.
Reserve your spot on the Snorkel with Manta Rays Guaranteed today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Arrive Early
Check in at the Sea Paradise van at Keauhou Bay 15 minutes before departure to allow for parking and boarding; the pier is a short walk from the lot.
Bring Reef‑Safe Sunscreen and Towel
Even though the trip is at night, you’ll be on deck before and after the swim—use reef‑safe sunscreen and pack a towel and light jacket.
Manage Motion Sickness
Night trips can be choppy; take ginger or over‑the‑counter sea sickness medicine ahead of time if you’re prone to nausea.
Respect the Animals and Crew Directions
Remain on the designated floatation device and follow crew signals to protect both mantas and swimmers; maintain distance and avoid flashing lights or touching.
Swimsuit
Worn under the provided wetsuit for comfort and hygiene.
Towel and Dry Clothes
You’ll want something warm and dry for the return trip to shore.
Reef‑Safe Sunscreen
Protects coral and skin during pre/post‑swim time on deck.
summer
Motion Sickness Medication
Take in advance if you are prone to seasickness; night conditions can be unsettled.