Most Asked Questions

As a general rule, Hawaiian waters average 77 degrees in the wintertime to 82 degrees in the summertime.
Most divers will wear a 3-5 mil in the winter and anything from bathing suits to 3mil in the summer.

  • Monk Seals
    The Hawaiian monk seal is on the Federal endangered list and according to some sources, there are only about 1,100 left in the wild. Their Hawaiian name is ilio-holo- i-ka- uaua or “dog that runs in rough water.”
  • Humpback Whales (Kohola)
    If you’re in Hawaii between late November and early May, keep your eye open for water spouts. Every winter thousands of Humpbacks migrate to our warm waters to breed and nurse.
  • Spinner Dolphins (Naia)
    Hawaii’s sleek Naia are playful creatures. They race alongside boats and have been known to
  • Hawaiian Green Sea Turtles (Honu)
    These gentle creatures are among Hawaii’s most beloved. If you’re snorkeling or SCUBA diving, they’ll hang out and keep you company. Once plentiful, Honu are also on the Federal endangered list, so please don’t touch.
  • Fish, sharks, octopus (Tocos)
    There are an abundance of fish in the sea, and if you’d like to meet them up close, come dive with Nani Kai.

If you are renting gear all you need is a towel. We will provide snacks (fresh fruit, chips, granola bars, soup), spring water, hot beverages.
Hawaii is in the tropics so any time of year is best. The summer sees warmer waters, but in the winter you have a chance to see whales.
Haven’t been diving lately and want a quick scuba refresher? The ReActivate™ program is the perfect way to update your dive skills and knowledge from the PADI Open Water Diver Course before jumping back into the water. Whether you want a few reminders, or need to go over the basics, ReActivate is personalized for you. You conviently review scuba concepts on your tablet, mobile device or computer, then go diving with a PADI Professional. It’s quick and easy, and a good way to prepare for your next PADI course, or get ready for a diving vacation. The best part is divers who complete both the knowledge and in-water skill refresher receive a replacement certification card with a ReActivated date on it.
Whichever one fits into your schedule best. Dive sites are based on the experience or request of the divers. The morning waters are normally calmer
Ko Olina Marina 92-100 Waipahe Pl, Kapolei, HI 96707.
Ko Olina’s Holo Ka’a shuttle offers complimentary service between our resort properties with a late model fleet and friendly, professional drivers. Shuttle service runs daily from 6:00 am – 11:00 pm.
It is customary to tip your Divemaster & Boat Crew as you would your wait staff in a restaurant.
It is customary to tip your Divemaster & Boat Crew as you would your wait staff in a restaurant.