Beaches · Island-wide
The Best Beaches On Oahu
Oahu has more than 125 named beaches. These five are on this list for distinct reasons: snorkeling, scenery, calm water for families, surf-watching, and pure convenience. Each one does something specific better than the alternatives.
South Shore (Waikiki, Hanauma Bay, Diamond Head end). The most accessible beaches on the island. Water is calm year-round on the South Shore, making it reliable for swimming. Hanauma Bay, located 10 miles east of Waikiki, requires advance reservations for non-residents and fills quickly. Waikiki itself is walkable from most South Shore hotels.
Windward (Kailua, Lanikai, Waimanalo). The softest sand and clearest turquoise water on the island. A 30 to 40 minute drive from Waikiki depending on traffic. Parking at Lanikai is limited to street parking in a residential neighborhood. Arrive before 8am to get a spot. Follow posted rules and keep noise down.
North Shore. Two beaches in one depending on the season. October through April brings large, sometimes dangerous surf and world-class wave-watching. May through September flattens out for swimming and snorkeling. Always check ocean conditions before entering the water. Lifeguards are present at major beaches but not all.
Good to know
Oahu Beach Planning: What to Watch For
Reservations. Hanauma Bay requires advance booking for non-residents. Reservations open online at 7am two days in advance and sell out quickly. Diamond Head State Monument also requires reservations for entry.
Lifeguards and conditions. Always check posted flags before entering the water. North Shore beaches can be dangerous from October through April due to large surf. High surf warnings are common on winter mornings. When in doubt, stay out.
Parking. Windward beaches (Kailua, Lanikai, Waimanalo) have limited or street-only parking in residential areas. Arrive early or take a rideshare. Ko Olina Lagoon 4 has free public parking.
Reef safe sunscreen. Hawaii law since 2021 bans sunscreens containing oxybenzone and octinoxate. Bring mineral-based (zinc oxide or titanium dioxide) sunscreen. Many stores on the island stock reef-safe options.
Respect the beach. No alcohol on most public beaches. Pack out all trash. Stay at least 50 feet from Hawaiian monk seals and sea turtles. Approaching or touching either animal is illegal and carries significant fines.
The Best Beaches on Oahu
Hanauma Bay
A volcanic bay turned state marine conservation area 10 miles east of Waikiki. The reef protects hundreds of fish species and the water visibility is consistently good. Reservations for non-residents open online at 7am two days in advance at $25 per person. An educational orientation video is required before entering the water. Snorkel gear is available for rent at the beach. Arrive early; the parking lot fills before 9am on most days.
Lanikai Beach
Consistently listed among the best beaches in the US, and consistently crowded as a result. The sand is fine and white, the water is that particular shallow turquoise unique to the Windward side, and the two Mokulua islands offshore are the reason people come back. There are no facilities, no parking lot, and no lifeguards. This is a residential beach accessed through public beach access paths between private homes. Street parking on Mokulua Drive fills early. Come before 7:30am or after 4pm.
Waimea Bay
One beach, two personalities. From October through April, Waimea Bay produces some of the largest rideable surf in the world. The bay closes to swimming during high surf and becomes a spectator event, with waves reaching 20 to 30 feet on peak swells. From May through September, the same bay goes flat and is one of the better swimming spots on the North Shore: clear water, a sandy bottom, and a large rock in the middle that people jump from. Check ocean conditions before visiting either season.
Ko Olina Lagoons (Lagoon 4)
Ko Olina has four man-made lagoons built into the leeward coast. Lagoon 4 (also called Ulua Beach) is the only one with fully public access, free parking, and restrooms that aren’t gated behind a resort. The calm, enclosed water makes it the most reliable swimming option for young children on the island. The drive from Waikiki takes 35 to 45 minutes. Parking can fill by 9am on weekends and holidays. The other three lagoons have limited public access depending on resort occupancy.
Waikiki Beach
The most accessible beach on the island for anyone staying in Waikiki. The waves are gentle enough for first-time surfers and stand-up paddleboard rentals. Surf lessons run from multiple vendors along the beach at around $50 per person for a group lesson. The water is warm year-round and the view toward Diamond Head is the one on every postcard. It is crowded. Parking is limited and expensive in the area. If you are staying nearby, walk. If you are not, the other beaches on this list will give you a better experience for the effort of getting there.
Find Your Perfect Beach
Best Beaches for Families
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Best Snorkeling Beaches
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Best Surfing Beaches to Watch
Hanauma Bay Reservation Guide
Free resource
The Oahu Beach Cheat Sheet
A free one-page PDF: which beaches need reservations, which have free parking, the best snorkeling tide windows, and which beaches to skip on which days.
Hanauma Bay Snorkeling
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