Kailua-Kona to Keauhou Bay drive: every route to the evening departures

The Kailua-Kona to Keauhou Bay drive, turn by turn

Keauhou Bay sits roughly 7 miles south of Kailua-Kona, the shortest approach to any manta departure on this coast. From Historic Kailua Village the road runs south into the Keauhou resort area, which the state tourism authority describes as the stretch known for manta ray and honu sightings. If you find yourself near Kealakekua Bay, about 12 miles south of the village, you have driven straight past the turn.

Two lines run parallel here: the shoreline road through the resorts, and the highway further inland. The inland route is the faster one for the first few miles and then asks you to come down the slope to sea level; the shoreline route stays low and slow with speed bumps and pedestrians. Either way, the last part is the same: the descent to the water, then Kaleiopapa Street, which ends at the bay. The operator offices used for Keauhou check-in carry Kaleiopapa Street addresses at number 78-7130, so the street name is the thing to follow rather than the bay name.

At the bottom you get a small boat ramp, a parking area and restrooms. Pier spaces are few, so most cars end up along Kaleiopapa Street, free of charge, with a 3 to 5 minute walk down to the water. Reverse the gradient on the way out and that same walk is uphill in the dark with wet gear.

Driving to a manta ray snorkel at night means arriving in daylight and leaving in the black. Check-in on this coast falls 15 to 30 minutes before a departure that moves with sunset, so the time in your confirmation is the only time that matters; work backwards from it and add the walk. On the return, the ramp area is busy with boats landing and people in wetsuits crossing between the pier and the street, so come up the hill slowly.

Kona airport to Keauhou Bay after you land

Most drives to the bay begin at the runway: Ellison Onizuka Kona International Airport at Keahole, 73-200 Kupipi Street in Kailua-Kona, which takes transpacific and interisland arrivals alike. The carriers the Hawaii Department of Transportation lists for it are Air Canada, Alaska, American, Delta, Hawaiian, Japan Airlines, United, WestJet, Mokulele Airlines and Southwest, a spread wide enough that your drive south could start at breakfast or at dusk.

From the terminal you have two very different runs. The northern harbour is on the same stretch of coast as Kaloko-Honokohau National Historical Park, just south of the airport, so it is close to the runway and far from the rays. Keauhou Bay means continuing south through Kailua-Kona and on past the village, roughly 7 miles below it. No official figure for the drive time from KOA is published in the sources used here, which is reason enough not to cut it fine on a day you are also collecting a car.

Skip the arrival evening altogether. Book the manta night early in your stay but not on your last night: the rays off Keauhou are resident reef mantas and the boats run in every month, operators at Manta Village report sightings on more than 90% of nights, and nobody on this coast promises one. A spare evening is the only thing that covers a windy night or a slow one.

Arriving without a car

A public bus runs on this coast, but the route numbers, the nearest stop to Keauhou Bay and the last evening service are not published in the sources used for this page, so confirm them directly with the county transit service before you build an evening around them.

The return leg is where the bus plan falls apart. Keauhou departures shift with sunset, the trips listed on this site run from 1.5 to 3.5 hours, and you step off the boat in full darkness, needing a ride from a street with limited lighting rather than from a town centre. Taxi and rideshare coverage at Keauhou late in the evening is not confirmed by any official source, so treat it as something to arrange in advance and not something to hail from the ramp. If you book a ride, set the pickup on Kaleiopapa Street, up where the cars park.

Hotel transport is also not part of these tickets: hotel pick-up and drop-off is listed as not included on the tours here. The one accommodation that removes the problem is the OUTRIGGER Kona Resort & Spa at Keauhou, because the viewing water lies just offshore of that property, which puts guests closest to the bay of anyone on the coast. From anywhere else, a car or a pre-booked ride is the realistic answer.

The northern harbour run in outline

Two night viewing areas exist on the Kona coast and no more, according to the state boating authority: Makako Bay, known to operators as Garden Eel Cove, in the north, and the coast fronting Keauhou Bay in the south. The trade is simple. Staying north of Kailua-Kona shortens your drive and lengthens the sail, because a northern departure motors more than 45 minutes each way while a Keauhou boat is above the rays in about five minutes.

The northern departure on this site runs 3.5 hours from $125, rated 4.8 ★ (819 reviews), and it is the only one here on a fixed clock: check-in 4:15 PM HST and departure promptly at 4:30 PM, which makes the drive easy to plan around an afternoon. Leave the car in the ample lot and walk to slip G-2, in the far south corner of the harbour; the ticket covers a light snack, water, a large boat with a bathroom aboard and a warm fresh-water shower to use before you drive back.

If you are based on the resort coast and the alternative is 90 minutes of driving each way at night, that harbour is the sensible choice. If you are anywhere between the airport and Keauhou, the extra driving south buys back more time than it costs.

What the map shows at Keauhou Bay

Four things on the map matter, and they are all within a few hundred yards of each other. The bay is a narrow inlet cut into the lava coast, the ramp sits at its head, the parking street runs down to it, and the rays are offshore from the point on the south side.

The water inside the bay belongs on no part of that list. The state tourism authority advises against swimming or snorkelling in Keauhou Bay itself because of fishing lines and tour-boat traffic, and that traffic is at its heaviest in the hour either side of the manta departures.

• Keauhou Bay and its finger pier, where crews meet guests at the water rather than in an office
• The small boat ramp at the head of the bay, used by the boats and by the paddle canoes
• Kaleiopapa Street, the free street parking above the water, 3 to 5 minutes' walk down
• The viewing area off Kaukalaelae Point beside the OUTRIGGER Kona Resort & Spa, roughly 7 miles south of Kailua-Kona, shallow at about 6 metres maximum, reached in about five minutes by boat or 7 to 10 minutes by canoe

Where to start from and which departure fits

Pick the departure point by where you sleep, then pick the length of evening you want. The geography does the rest: the resort above the bay began floodlighting the ocean in the early 1970s, the light gathers plankton and the mantas come in to feed on it, which is why the southern site sits a few minutes from the ramp and why the sailing time is the one number that changes most between tickets.

• Kailua-Kona or Keauhou, short evening: the 1.5-hour Kona snorkel, from $125, rated 4.7 ★ (2585 reviews), with mask and snorkel, a floatation life belt, dive lights with a manta board to hang onto, a USCG captain and a snorkel guide and lifeguard in the water; the meeting point is set out in the ticket details.
• Kailua-Kona or Keauhou, fuller evening: the 2.5-hour Big Island Manta Ray Night Snorkel, from $138, rated 4.8 ★ (6332 reviews), which writes its drive-in directions out for you: first road right after turning into the harbour, past Boat Storage and the Sea Store & Deli on the left, then left to the brown-roofed restrooms with a pavilion.
• Staying north, or landing in the afternoon: the 3.5-hour departure, from $125, rated 4.8 ★ (819 reviews), out of slip G-2, with check-in 4:15 PM HST, a bathroom on board and a warm fresh-water shower afterwards.

Questions people ask

Read also