Manta Ray Heaven, Garden Eel Cove - Hawaii

We head to Garden Eel Cove for the manta spectacle, which usually kicks off just after sunset. This spot is famous for a reason; dive boats shine powerful lights into the water, attracting plankton, and the mantas follow. You'll settle onto the sandy bottom at about 14 meters, watching these giants glide and barrel roll incredibly close overhead, mouths agape. It's a shallow, relaxed dive, perfect for newer divers or anyone who wants a guaranteed, close-up manta encounter. Just remember to keep your torch aimed at the surface and enjoy the show.

Location
Hawaii, United States, North America
Coordinates
19.736700, -156.053900
Type
reef
Maximum Depth
14m
Difficulty
Beginner

Marine Protected Area: Kaloko-Honokohau National Historical Park

Best Time to Dive in Hawaii

The warmest water temperatures in Hawaii occur in September, averaging 29.0°C. The coolest conditions are in March at 25.6°C.

Monthly Water Temperatures

  • January: 26.2°C
  • February: 25.7°C
  • March: 25.6°C
  • April: 26.0°C
  • May: 26.8°C
  • June: 27.6°C
  • July: 27.9°C
  • August: 28.5°C
  • September: 29.0°C
  • October: 28.6°C
  • November: 27.9°C
  • December: 27.2°C

Nearby Dive Sites in Hawaii

Nearest Dive Centres to Manta Ray Heaven, Garden Eel Cove

Marine Life in Hawaii

Home to 23 recorded species including 17 reef fish, 3 other, 2 sharks & rays, 1 whales & dolphins.

Notable Species

Recommended Packing List for Manta Ray Heaven, Garden Eel Cove

Based on average water temperature of 27.2°C, currents 9 cm/s.

  • Shorty or Rashguard - warm 27°C water needs minimal exposure protection
  • Mask - essential for every dive
  • Fins
  • BCD - buoyancy compensator
  • Regulator - your most safety-critical piece of gear
  • Dive Computer - tracks depth, time, and NDL
  • Surface Marker Buoy (SMB) - essential for boat pickups
  • Dive Torch - useful for crevices and colour at depth
  • Underwater Camera - capture your diving memories