Logistics · Destination Guide
Wrecks off Waikiki, lava caverns out west, and summer shore-diving windows up north
Updated Oct 30, 2025 • 24 sources
Use this travel brief to set arrival flow, local transit, and gear movement before you lock your itinerary.
Fly into Daniel K. Inouye International Airport (HNL) on O'ahu. Most visitors base in Waikiki, 14 km from the terminal. Interisland connections run frequently to neighbor islands.
Daniel K. Inouye International Airport
HNL • PHNL
14 km • 14 km drive
Primary Hawai'i gateway with extensive domestic and transpacific service. Visitor Information Program desks operate daily.
Transport: Rideshare and taxis curbside, Pre-booked hotel shuttles, Rental cars in-terminal, TheBus route to town with HOLO card
Waikiki and Honolulu are transit friendly. TheBus accepts HOLO card tap-to-ride with day and month caps. Standard adult single fare is USD $3.00 with time-limited transfers and a USD $7.50 day cap. Bags must fit on lap or underseat and cannot block aisles. Rideshare and taxis are widely available. Parking in Waikiki is limited and costly.
O'ahu is in the United States. US domestic travelers need standard ID. Visa Waiver Program visitors require ESTA authorization. Declare restricted produce at agriculture inspection. No interisland car ferries from O'ahu.
Most charters include tanks and weights and offer nitrox. Shore divers should bring booties and SMBs. Shops can service gear and fill DIN or yoke. For Hanauma Bay, bring cash for parking and expect a short walk down to the beach.
United States Dollar (USD)
USD cash and cards are widely accepted. Small beach concessions may be cash only.
ATMs are common in Waikiki and at resort areas.
120V • 60Hz • A, B
Standard North American outlets. Most chargers are dual-voltage.
Communications
Major carriers have strong coverage in Honolulu and Waikiki. North Shore and leeward valleys can be patchy. eSIMs are widely available. VHF Channel 16 is monitored by the Coast Guard for maritime emergencies.
Language
English is primary. Hawaiian is an official language and appears in place names. Japanese is commonly supported in Waikiki visitor areas.
Insurance
Carry dive insurance that covers hyperbaric treatment and evacuation. DAN provides 24-7 coordination and referrals.
Packing list
Bring booties, SMB, and a light for wrecks. Rashguard, hat, and mineral sunscreen for sun. Light rain layer and compact dry bag for boat rides.