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Snorkeling Etiquette on Kahalu’u Beach

By Donald MacGowan

Loll in sand and sun under swaying palms, watch humpback whales dance in an exotic Kona sunset, snorkel among rainbow-colored fish on a protected reef or ride surf where the Kings of Hawai’i defined the sport a thousand years ago.

Kahalu’u Beach is the most popular snorkeling beach on the Island of Hawai’i with good reason; protected from the open ocean by a seawall, the reef is also protected against commercial aquarium fishing. The snorkeling is in calm, shallow water; there is an abundance of fish of an enormous variety…perhaps the best display on the island. Dozens of Hawaiian Green Sea Turtles call this bay home, eating the limu and thrilling the snorkelers. Numerous freshwater springs and shallow water bathers make the near-shore snorkeling unpleasantly cloudy, but about 100 feet offshore the water turns crystal clear and the display of coral is nothing short of amazing.

Outside the seawall is an excellent surf break that is for intermediate or better surfers and boogie boarders. There is a fair current north out of the bay and along the coast…swimmers caught in this current should relax and swim with the current, angling towards land.

Adjacent to Kahalu’u Beach is St. Peter’s Church, locally know as “The Little Blue Church”; it is the most photographed church in the State of Hawai’i. The history the St. Peter’s is fascinating and takes longer to tell than a tour of its Spartan interior and dozen pews. Originally built in 1880 on the site of La Aloa (Magic Sands) beach, the church was dismantled and hand carried piece by piece to its current location at Ku’emanu Heiau in 1912. In 1938, Father Benno of St. Michael’s added the belfry and the porch. Twice since it was situated here, St.Peters has been moved off its foundations by tsunami, but due to its small size and sturdy construction, has survived long in a harsh environment.

The Hawai’ian word Kahalu’u can be translated as “the place where people go into the water”; in ancient, as well as modern times, Kahalu’u was a place of recreation, relaxation and restoration. There are numerous sites of historic importance around the park, such as the breakwater, Paokamenehune, which predates the 15th century temple complexes in the area and is widely said to have been built by the menehune (sort of the Hawai’ian equivalent to leprechauns), but building was actually initiated to enclose the bay as a fishpond. Whether the work became beyond the powers of the Ali’i at the time to administrate or the surfing faction won-out in the battle over use of Kahalu’u Bay is not known, but the breakwater was already in disarray at the time of European contact in the 18th century. The springs on the northern edge of the park, at Ku’emanu Heiau, Waikui Punawai, where luakini sacrifices were ritually cleansed and today surfers rinse ocean water off themselves after surfing. Between St. Peters and the northern restroom is the Awa pae Wai O Keawaiki canoe landing which figured prominently in the Maui-Hawaii wars of the 16th Century. The large pond between the northern restrooms and the small pavilion, Wai Kua’a’la loko, was the private bathing pond of Hawai’ian Ali’i in residence at Kahalu’u.

Between the two pavilions is another ancient canoe landing and even into historic times, a halau wa’a, or canoe storage house, was situated here. An important heiau and royal residence, Mokuahi’ole, stood where the large pavilion is today. It was at this site that the great queen and wife of Kamehameha the Great, Ka’ahumanu, and her cousin Kuakini (later Territorial Governor) were raised.

Most days there is a food wagon selling sandwiches, burgers, shave ice and cold drinks at reasonable prices and a vendor renting snorkeling gear and boogie boards.

Since Kahalu’u Beach is where most people go to snorkel, let’s take a moment to talk about reef etiquette and the animals which inhabit the coral reefs. Please do not feed the fish, it disrupts their natural feeding habits and you may be injured. Reef fish do occasionally “nip”, so do not chase, harass or touch them (this includes octopi). The oils on your fingers will injure their skin and they may carry diseases which they can pass to you on your hands.

No discussion of Kahalu’u would be complete without a word about Hawaii’s Green Sea Turtles. Called Honu by Hawaii’s natives, the Hawaiian Green Sea turtle is beautiful, serene and seeming wise. Though they have swum the oceans for over 200 million years, peacefully feeding on algae and invertebrates, this highly successful product of amphibian evolution is in grave danger. Loss of habitat, hunting and molestation by humans has conspired to push the Hawaiian Green Sea Turtle to the very verge of extinction. Protected now by state and federal law, the population of once millions of individuals has been decimated to just a few hundred thousand; although they are making a comeback, Hawaii’s honu are still very much endangered. Honu may grow up to 45 inches and weigh as much as 400 pounds at maturity, reached at 25 years of age.

Hawaiian Green sea turtles can easily be differentiated from the other near shore sea turtle in Hawaii, the much less common Hawksbill turtle, by counting the scales between the eyes. Hawksbills have four scales between the eyes and Hawaiian Green Sea turtles have two. Lady honu crawl on shore to lay their eggs, generally after migration to the quieter shores of the French Frigate Shoals, 800 miles northwest of Hawaii, or the black sand beaches on the south end of the Big Island of Hawaii.

Do not approach basking turtles closely, never touch or pick them up. Harassing turtles carries a stiff fine and in any case, touching the turtle is a good way to get a raging salmonella infection. If honu are swimming near where you are, do not approach or chase them; always swim to the side of them, never above (as a predatory shark would) nor below them (so they won’t feel that their soft belly is at risk).

Anyone who observes their beauty and grace underwater easily understands why the Hawai’ians base their word for “peace”, “honua”, on their name for the green sea turtle, “honu”.

Snorkeling etiquette calls for protecting not only the reef fish, but also the fragile corals growing on the reef. Corals, actually colonies of very small animals, take hundreds of years to form the structures visible today; they feed, shelter and provide habitats for other reef animals. Coral reefs also protect the lagoons and shoreline from waves and sand erosion. Corals are at the very root of Hawai’ian history and culture; the Hawaiian creation chant places the origin of life at the sea, beginning with a coral polyp.

Simply touching corals to see what they feel like can cause the death of an entire colony. Oils from your skin can disturb the delicate mucous membranes which protect the animals from disease. Please don’t walk upon or stand on coral, as this can kill the living coral polyps which, as the builders of the entire reef structure, are the very foundation of the reef ecosystem. Sunscreen washing off your body can kill coral; wear a t-shirt and a swim cap for UV protection.

For more information on visiting Hawaii in general and touring the Big Island in particualar, go to www.tourguidehawaii.com as well as here.

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2 Comments

  1. I agreed with you

  2. Thanks for your wonderfully informative article–I have enjoyed watching the abundance of turtles chomping on algae, the beautiful Moorish Idols with their long curved dorsal fin trailing behind them like a banner, the variety of coral and other fish, and the easy, calm entry at this superb snorkeling spot.


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