Jet Skiing and Waterskiing

Aloha Jet Ski. Skip across the surface of the immense Keehi Lagoon from Friday through Monday as planes from Honolulu International Airport soar above you. After an instructional safety course, you can try your hand at navigating the buoyed course. Waverunners can either be operated tandem or solo. Reservations are required. Keehi Lagoon, Sand Island Access Rd., Honolulu, Hawaii, 96819. 888/538--6248; 808/721--1754 ; From $65 per person for a tandem trip, from $82 for a solo trip.

Hawaii Water Sports Center. This company transforms Maunalua Bay into a water park with activities for all ages. You can bounce around in a bumper tube, zoom around on Jet Skis, wakeboard, scuba dive, or ride the six-person banana boats. Jet Ski rentals can be as short as 30 minutes. Koko Marina Center, 7192 Kalanianaole Hwy., Honolulu, Hawaii, 96825. 808/395–3773; From $39.

H2O Sports Hawaii. Parasailing, banana boats, bumper boats, jetskiing, snorkeling, and scuba diving: this company offers a wide variety of tours and activities on the water. But the Jet Pack is H2O's most famous program. Pumping 1,000 gallons of seawater per minute through the pack gets you airborne like a character in a sci-fi film. With a 90% success rate for first-time flyers, this safety-conscious outfitter allows you to rocket into the air or walk on water. Launches for first-timers last 15 minutes and depart from a floating platform in Maunalua Bay near Hawaii Kai. Make your reservations early, as flights book up more than a week in advance, and note that the Jet Pack is only available on weekdays. Hawaii Kai Shopping Center, 377 Keahole St., near Longs Drugs, Hawaii Kai, Hawaii, 96825. 808/396–0100; From $199.