Honolulu Harbor

The Aloha Tower is a retired lighthouse that is considered one of the landmarks of the state of Hawaii in the United States. Opened on September 11, 1926, at a then astronomical cost of $160,000, the Aloha Tower is located at Pier 9 of Honolulu Harbor. It has been, and continues to be, a guiding beacon welcoming vessels to the City and County of Honolulu. Just as the Statue of Liberty greeted hundreds of thousands of immigrants each year to New York City, the Aloha Tower greeted hundreds of thousands of immigrants to Honolulu. At 10 stories and 184 feet (56 m) of height topped with 40 feet (12 m) of flag mast, for four decades the Aloha Tower was the tallest structure in Hawaii. It was built in the Hawaiian Gothic architectural style.

The Hawai`i Maritime Center was the principal maritime museum in the State of Hawai`i from 1988 until it closed in 2009. Located at Pier 7 of Honolulu Harbor east of Aloha Tower, the center was a campus of the Princess Bernice Pauahi Bishop Museum. The Hawai`i Maritime Center was built on what once was the private boathouse of King David Kalakaua and was home to the only four-masted, full-rigged ship in the world called the Falls of Clyde. The Falls of Clyde was built in 1878 for the oil industry and is a National Historic Landmark. Also docked at the Hawai`i Maritime Center was the voyaging canoe Hokule`a, a scientific research vessel of great importance to native Hawaiian culture. Due to prevailing economic conditions, the Hawai'i Maritime Center was closed to the public effective May 1, 2009. In December 2017, the Bishop Museum transferred its lease between the Maritime Center and the State of Hawaii to a third party, and ceased operating the Center. Plans for its future are unknown.

Falls of Clyde is the last surviving iron-hulled, four-masted full-rigged ship, and the only remaining sail-driven oil tanker. Designated a U.S. National Historic Landmark in 1989, she is now a museum ship in Honolulu, but her condition has deteriorated. She is currently not open to the public. In September 2008, ownership was transferred to a new nonprofit organization, the Friends of Falls of Clyde. Efforts to raise $1.5 million to get the ship into drydock did not succeed. In November 2021 HDOT accepted a bid from Save Falls of Clyde – International (FOCI) to transport the ship to Scotland for restoration.

The Aloha Tower Marketplace is a waterfront shopping center in Honolulu, Hawaiʻi. Located at the Honolulu Harbor, the Aloha Tower Marketplace includes several national historic landmarks including the Aloha Tower, Falls of Clyde and Hawaiʻi Maritime Center.

The Kakaʻako Pumping Station in Honolulu, Hawaii was designed by architect Oliver G. Traphagen in the Richardsonian Romanesque style. He also designed many such bold stone public works buildings in Duluth, Minnesota. Built in 1900, the pumping station features large arched windows, exterior walls of local lava rock, roofs of green tile, and a smokestack 76 feet tall. It was the first sewerage pumping station in Honolulu, Hawaii, designed to address the serious sanitation problems of the rapidly growing city. It is located on an acre of land between the Kewalo Basin and Downtown Honolulu, at Ala Moana Boulevard and Keawe Street. The Ala Moana Pumping Station took over its functions in 1940, and it has remained vacant for many years. Now under the jurisdiction of the Hawaii Community Development Authority, it is slowly being restored by the nonprofit Hawaii Architectural Foundation.Oliver G. Traphagen also designed the "bright and airy" Moana Hotel on Waikiki Beach.

Downtown station is a planned Honolulu Rail Transit station in Honolulu, Hawaii. It is part of the fourth HART segment, scheduled to open in 2031.The Hawaiian Station Name Working Group proposed Hawaiian names for the twelve rail stations on the eastern end of the rail system (stations in the Airport and City Center segments) in April 2019. The proposed name for this station, Kuloloia (also Kuloloio), is an ancient place name and refers to a sandy beach on the shore of Kou, a favored residence of the chiefess Nāmahana.

Bar Leather Apron is a bar in Honolulu, in the U.S. state of Hawaii. In 2023, the business won in the Outstanding Bar category of the James Beard Foundation Awards.

The Honolulu Courthouse, also known as simply the Court House or the Parliament House, and later known as the Old Courthouse, was a two-story building in Downtown Honolulu that served as the meeting location of the Hawaiian Kingdom's Legislature and Supreme Court between 1852 and 1874. It was also the site of the Legislature's election of William Lunalilo and David Kalākaua as king in 1873 and 1874, respectively. A riot that broke out following the election of Kalākaua caused significant damage to the building and its contents. The Legislature and Judiciary moved out of the Honolulu Courthouse in 1874 and the building was subsequently sold to H. Hackfeld and Company (later renamed Amfac), which used the building for office and warehouse space until it was demolished in 1968 to make room for a new office complex.

In September 2013, 1,400 tons of molasses spilled into Honolulu Harbor. The spill was discovered on 9 September 2013. It was caused by a faulty pipe, for which the shipping company Matson Navigation Co. took responsibility. Molasses is an unregulated product, and neither Matson nor government officials had a contingency plan to respond to a molasses spill. Natural currents and weather were expected to eventually dilute and flush the molasses out of the harbor and a nearby lagoon.Divers in the harbor area reported that all sea life in the area were killed by the molasses, which instantly sank to the bottom of the harbor and caused widespread deoxygenation. Members of various coral species were injured or killed, and more than 26,000 fish and members of other marine species suffocated and died.The Hawaiian Commercial & Sugar on Maui produces molasses from fresh sugar cane, and ships it to the mainland to be processed and sold. Matson had been transporting molasses from Honolulu Harbor for 30 years and at the time was shipping it about once a week.

The Honolulu Sailor's Home is a non-profit lodge for international merchant seamen. The home was incorporated in May 1855 with a lot obtained by a grant from the Kingdom of Hawaii. Originally located on Bethel Street adjacent to the Port of Honolulu, it is now located one block away at 707 Alakea Street

The Melchers Building is a historic commercial building in Downtown Honolulu, Hawaii. Located at 51 Merchant Street, it is the oldest commercial building in Honolulu. Designed in the Classical Revival style by an unknown architect, it was constructed in 1854 of white coral blocks. The original structure's qualities are no longer visible beneath outer layers of stucco and paint. The building's structure is similar to other commercial 19th Century buildings in Honolulu. The Melchers Building is a simple structure just 400 feet from the ocean, with two floors and minimal ornamentation. Its original purpose was to house the offices of Gustav C. Melchers and Gustav Reiner, traders who were originally from Bremen. Subsequently, it served for a time as the office of the City Prosecutor. At one point, the windows along the Merchant Street side were bricked up and an iron frame was placed around the door. The bricked windows and blocked doorway have since been removed and the building is now in use as an office annex by the City and County of Honolulu.The building is a contributing property to the Merchant Street Historic District.

The Merchant Street Historic District in Honolulu, Hawaii, was the city's earliest commercial center.