The reef in front of the building

The best snorkelling on this stretch of coast is the water directly in front of the building. That is not a sales line — it is a consequence of state law. Kahekili Beach sits inside a protected herbivore fishery, and the reef here is measurably healthier than the beaches a mile south.

Here is what is actually out there, how to get in, the one place you must not swim, and where to go when you want a change.

Kahekili Beach & the KHFMA

Kahekili Beach Park is the northernmost beach of the Kāʻanapali resort area, reached from Kai Ala Drive off the Honoapiʻilani Highway. It has restrooms, showers, a picnic pavilion and free parking — and it is a thirty-second walk from the lanai.

The water is inside the Kahekili Herbivore Fisheries Management Area, established under state administrative rule and managed by the DLNR Division of Aquatic Resources. It is worth understanding what that means, because it is frequently described wrongly:

• It is a herbivore-protection zone, not a Marine Life Conservation District. Taking parrotfish, surgeonfish, rudderfish and sea urchins is prohibited; other fishing is not.
• The point is coral resilience. Those species graze the algae that would otherwise smother coral, so protecting the grazers protects the reef.
• The protected zone runs along essentially the whole Kāʻanapali shoreline — from a line west of Honokōwai Beach Park in the north to a line west of Hanakaʻōʻō Beach in the south.

What you will see

Green sea turtles — honu — are resident here year-round, not an occasional event. Expect parrotfish, surgeonfish, butterflyfish, wrasses and the usual reef community, with manta rays reported from time to time. Between roughly December and April you can hear humpback song underwater, which is the single most surprising thing about snorkelling here.

Practical, from the building

• Go early. Morning is calmer and clearer almost every day; trade winds build through the afternoon and chop the surface.
• Enter over sand, not reef. Walk out on a sandy lane and swim to the coral rather than standing on it — standing on coral kills it and cuts you.
• Reef-safe sunscreen. Hawaiʻi restricts oxybenzone and octinoxate. A rash guard is better than sunscreen anyway.
• Watch the wind, not the sky. A grey morning with no wind snorkels far better than a bright, blowing afternoon.
• Never snorkel alone, and note that this beach is not lifeguarded.

Black Rock — and the point you do not round

Puʻu Kekaʻa, Black Rock, is the lava headland at the south end of the beach in front of the Sheraton. The sheltered side is a genuinely good snorkel, and it is an easy walk south along the beach path from Kahekili.

The other risk here is the cliff jump off the rock, which people do because they see others doing it. It is not supervised, the water depth and surge vary, and injuries happen. Watch rather than participate.

Kāʻanapali Beach Walk

A paved beach path runs the length of Kāʻanapali, linking the north end near Kahekili to Black Rock and continuing south to Whalers Village and the main resort strip. It is flat, it is scenic, and it is the easiest way to turn a snorkel into a morning.

Other West Maui snorkel spots

Honolua Bay

The Honolua-Mokulēʻia Bay Marine Life Conservation District — a genuine marine reserve established in 1978 and about 45 acres of protected water. On a calm summer day the visibility is the best on this coast. It is also the least convenient: limited roadside parking, an unpaved root-and-mud trail down to the water, and no restrooms, no lifeguards and no shade.

Two hard rules. Wear real shoes for the trail, not flip-flops. And do not go in winter — the same north swell that makes Honolua a world-famous surf break makes it unswimmable, and people misjudge it every year. May through September is the window.

Nāpili and Kapalua

Two sheltered crescent bays ten to fifteen minutes north. Both are calmer and shallower than Kahekili, which makes them the right choice for nervous swimmers and small children. Kapalua has the better parking and facilities.

Olowalu

South of Lahaina, Olowalu sits over one of the oldest and largest reef systems in Hawaiʻi, in shallow water with turtles, eels and octopus. There are no facilities at all, and it needs a genuinely calm day. Park sensibly on the highway shoulder and respect that this is a residential area.

Molokini and beyond

The famous boat snorkel is Molokini, the sunken crater off south Maui. One logistical thing has changed and older guides have not caught up: most Molokini snorkel-sail operators now depart from Māʻalaea Harbor, roughly a 35 to 45 minute drive from Kāʻanapali, rather than from Lahaina.

Lahaina Harbor reopened only partially in December 2025, for a limited number of operators, and remains under reconstruction. Do not assume a Lahaina departure; confirm the harbour when you book, and set your alarm for the drive. See Lahaina today for the wider picture, and whale watching for the winter boat trips.