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Getting Around
The primary way to move around Oahu is by rental car, which gives access to the North Shore, windward coast, and Ko Olina far beyond what public transit reaches. TheBus network is reliable and inexpensive within Honolulu and Waikiki, and rideshare apps operate island-wide.
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Cash or Card
Oahu is largely cashless-friendly, with cards accepted at nearly every hotel, restaurant, and shop in Honolulu and Waikiki. Cash remains useful for farmers markets, roadside shave ice stands, some food trucks, and small plate lunch counters like Helena's Hawaiian Food.
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Good to Know
Taking your shoes off before entering a home is a deeply held local custom and skipping it is considered genuinely rude, not just a preference. Visitors are also encouraged to research the concept of malama aina, caring for the land, before hiking or visiting natural sites to avoid unintentional disrespect.
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ATMs
ATMs are widely available throughout Honolulu, Waikiki, and major shopping centers like Ala Moana, with most major US bank networks well represented. Fees can be higher at tourist-area ATMs, so withdrawing from a bank branch or a familiar network machine when possible will save small but consistent costs.
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Currency
The currency is the US Dollar (USD), and prices in Oahu tend to run higher than the mainland for groceries, dining, and accommodation due to the cost of shipping goods to the islands. Budget accordingly and expect to pay a premium even at casual spots compared to similar experiences elsewhere in the United States.
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Plugs
Type A and B outlets, standard US two and three-prong plugs at 120V/60Hz. No adapter needed for US devices.
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Safety
Oahu is generally very safe for visitors, though ocean conditions deserve serious attention as rip currents and large shore break can be dangerous even on calm-looking days. Always check surf reports, observe posted signs at beaches, and never turn your back on the water on the North Shore in winter.
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Airports
Daniel K. Inouye International Airport (HNL) in Honolulu is the primary gateway, serving direct flights from the US mainland, Asia, and Oceania and handling the vast majority of visitor arrivals. It sits about 9 km from Waikiki and is well connected by taxi, rideshare, and TheBus route 20.