My wife and I lived in Oahu for 3 solid years and I'm also a skydiver. The best overall advice is to GET AWAY form the CITY!
- snokerling/scuba
Look for lagoons. If memory serves right,
Ko Olina will be your best bet. Lagoons are shallow but insanely beautiful. You wont have to worry about straying to far out to sea by accident. On the rocks you'll find starfish and various ocean slugs. Also, if you go early enough you might catch sea turles but do not attempt to hug or hold on to one. You'll often hear locals complain about tourists who often mess with the turtles because they are dumb-asses with no respect. It's highly frowned upon.
- pineapple plantation
Do not pick any of the pineapples from the side of the roads! This is a no-no that will land you in huge trouble with the plantation owner and the law. For the locals that farm them it's their livelihood! Think of it as some one stealing your images online. However, DO make sure to roll your windows down and enjoy the smell as you drive down the road.
- Diamond Head
Take your time in this place. Far too often I would see families snap, snap, snap photos then rush way to next event on their schedule. Quite sad really...
- tour with volcanoes
This is best on the big island.
- Pearl Harbor/Pacific Memorial
The memorial is a very quiet place. You have to take a boat there to the grave/memorial site. Along the way you learn about the USS Arizona's tragic demise. It still leaks oil to this very day. However, the watery grave is used to conduct environmental research. You will also notice that Japanese do pay their respects here!
- surf
North-shore is famous for surfing. This is where a good majority of surfing events & pro competitions happen. Make sure you bring a telephoto with you if you chose to photograph those surfing way out on the tubes. If you chose to surf, pay attention to the weather for surf reports, watch the FLAGs on the beach, and LISTEN to the lifeguards. The lifeguards are experts and can spot a n00bie instantly!
- SKYDIVING (yay!)
The drop zones in Oahu have changed since I was there in 99-02. The United States Parachute Association (USPA) website lists 2 DZ's you can chose from. The USPA is a professional organization that is very important to skydivers. Send me a note if you have questions. Link below:
U.S. Parachute Association > Find a DZ > Group Member List by State > Hawaii
Tandem is what you want (unless you want to get your license and jump for the rest of your life.)The average Tandem Skydive will run about $200. An additional $30 to $50 if you want video (recommended because you won't remember what you did up there). Skydiving in Hawaii can not be beaten (unless you to jump in
Dubai). At 14,000 ft, you are going to see how small the island of Oahu really is, you will also see deep ocean blue for miles upon miles.
:D