Hawaiʻi Kai and Koko Marina

Hawaiʻi Kai is unlike every other harbor on this list, because it is not a state harbor at all. The marina began as Kuapa Pond, a Hawaiian fishpond. In 1979 the United States Supreme Court held that the marina is private property, not open to the general public. The Hawaii Kai Marina Community Association has owned the waterway itself since 1991, and its rules reach every hull on the water. Boats here carry the association's registration decal, and a marina patrol watches speed and wake.

The rentable slips sit at Koko Marina, the center on Kalanianaole Highway at the water's edge. A boat moored at the Koko Marina slips runs the shortest route out to Maunalua Bay and back; the full waterway is for residents and their guests. Most boats here are not in slips at all. They sit on private docks behind waterfront homes, and the association publishes its own dock guidelines and application. The speed limit inside is the slower of 5 miles per hour or no wake, and boats over 21 feet hold slow, no-wake speed everywhere. From sunset until eight in the morning the whole marina is slow water, every boat.

Fueling inside the marina happens on scheduled fuel days: the association brings in non-ethanol gas and diesel, and you call that morning to hold a place in the line. Between fuel days, boats tank up on their runs outside. The state's page for the Maunalua Bay launch ramp lists two ramps and a loading dock, and no pump-out, so plan holding-tank service around your time outside the marina as well. Flat water makes it easy to forget the tanks; the smell in August does not.

Trailerable boats have it easy here. The state ramp at Maunalua Bay sits at the base of Koko Head, and anchoring out in the bay is by permit only. Anything that cannot ride a trailer makes the run west: the yard we use is Keehi Marine Center at Sand Island, with a travelift rated for one hundred fifty tons and a work dock for jobs that stay afloat. That delivery is real passage-making along the south shore, so we fold it into the yard schedule: survey prep, bottom paint and below-waterline repairs bundled into one haul instead of three runs.

Hawaiʻi Kai takes the trade winds head-on. The wind crosses Maunalua Bay loaded with salt and lays it on everything that faces east: rails, windscreens, canvas, the hinges on the lazarette you never open. Inside the marina the water stays flat, so boats feel safe while the sun and the salt do slow work; covers bleach, lines stiffen, zippers seize. The quieter enemy is stillness. Boats here sit between outings, and a boat that sits has fuel going stale, an impeller taking a set, and a battery bank drifting down. Flat water protects the hull and hides the neglect.

Private docks behind homes are exactly what our plans were built for, because nobody else walks past your boat. Dock Watch at $249/mo puts a captain aboard twice a month with a photo report the same day, a text first if something is wrong, and the monthly engine start and systems run that flat-water boats need more than their owners ever believe. Detailing happens at your dock: a wash at $6/ft with a $150 minimum, wash and wax at $18/ft. Trailered boats and dry storage are by arrangement.