Witness the hidden marine life of Hawai‘i Island under the glow of moonlight with Hilo Ocean Adventures. This certified night dive offers certified divers a unique chance to encounter the ocean’s nocturnal vibrancy on a safe, guided shore dive near Hilo.
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Difficulty
moderate
Duration
3 hours
Fitness Level
Participants should be in good physical shape capable of carrying 50 lbs of gear and comfortable with night ocean conditions.
Wildlife
History
Hilo’s rich cultural history includes a deep connection to the ocean, integral to native Hawaiian traditions and modern environmental stewardship.
Conservation
Hilo Ocean Adventures promotes low-impact diving practices to protect fragile reef systems and local marine biodiversity during all excursions.
Hilo Ocean Adventures
Witness the hidden marine life of Hawai‘i Island under the glow of moonlight with Hilo Ocean Adventures. This certified night dive offers certified divers a unique chance to encounter the ocean’s nocturnal vibrancy on a safe, guided shore dive near Hilo.
Hilo Ocean Adventures is a Hilo, Hawaii-based ocean activity operator offering a diverse selection of guided and rental experiences designed for visitors and locals. Trips include private big game fishing charters in Hilo Bay with a professional crew focusing on mahi mahi and ahi tuna, kayak rentals and guided paddles on the Wailoa River and Hilo Bay, surfboard and boogie board rentals, one-tank boat dives to explore tropical reefs, and cultural and scenic cruises such as the Cliffs of Hawai’i Onomea Waterfall Cruise. Seasonal event cruises include front-row 4th of July fireworks cruises and a festive New Year’s Eve cruise from Wailoa Boat Harbor. Kayak options range from self-guided three-hour rentals to 2-hour guided routes like the beginner-friendly Wailoa River paddle to the King Kamehameha Statue, the Hilo Bay and Coconut Island guided tour led by a knowledgeable local guide (limited to six guests), and the Myths & Legends Waterfall Adventure that covers roughly 2.5 miles and highlights Wailuku River waterfalls.
Safety and guest comfort are emphasized with complimentary life vests and maps for kayak rentals, snacks, drinks provided on select charters, and certified crews or dive professionals on boat trips. Fishing charters note sustainable practices to minimize local impact. Clear departure points near Wailoa Boat Harbor and a focus on local history, marine life, and experienced guides make Hilo Ocean Adventures a trusted provider of ocean experiences in Hilo.
Location
Hilo, Hawaii
Departures near Wailoa Boat Harbor
Tours Offered
10
Guided trips and rentals available
Small-Group Option
6 guests
Limited group size on select tours
Trip Lengths
1–3+ hrs
One-hour cruises to multi-hour rentals
Reserve private charters, guided kayaks, dives, and holiday cruises — departures commonly leave from Wailoa Boat Harbor.
Certification Required
Only certified open water divers can join this night dive; proof of certification is mandatory at check-in.
Arrive Early for Gear Fitting
Show up before the scheduled departure time to get fitted and briefed on your rental equipment.
Watch Your Weight Limits
This trip is not recommended for divers over 300 lbs or those with mobility constraints.
Altitude Restrictions After Dive
Avoid altitude above 2,500 ft for at least 12 hours post-dive to prevent decompression sickness.
Dive Light
A reliable underwater light is crucial for spotting nocturnal marine life and navigating the reef safely.
Wetsuit (3mm or thicker)
A wetsuit helps maintain body warmth in cooler night waters, especially during winter months.
winter
Dive Computer
Monitors depth and time underwater to ensure safe dive limits are observed during night conditions.
Surface Marker Buoy
Enhances diver visibility when surfacing in low light, a critical safety tool for night shore dives.