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    Ko Olina Lagoon 4

    4.4 (125 reviews)

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    Emmanuel D.

    Ko Olina is known for its four man-made, calm lagoons, luxury resorts like the Four Seasons and Aulani, a Disney Resort, and a beautiful beach setting on Oahu's leeward coast. It is a luxury resort area that offers pristine white-sand beaches, clear waters ideal for swimming and snorkeling, and a variety of amenities, including a golf course and a marina. Wonderful place for family picnics. Well maintained place.

    Cool waters
    Angie S.

    Beautiful and tranquil waters. Great time to relax and enjoy the scenery. Don't take beach umbrellas or tents, they will ask to take them out because of wind. The sun is hot so use sun screen!! Hats could help. Pay parking (25.00 all day, 2025) is next to free parking if you are late in getting there (8:45 am). Beautiful day

    Jam A.

    We love Lagoon 4!!! More parking with free parking, line to park is not as long as the others. And there a paid parking lot, it's a flat rate, but it's an all day parking. There is more room on the beach too, The lagoon is larger.

    Tina L.

    All of their lagoons have always been one of my favorites. It's family oriented, man made beach and not too too crowded. You can walk over to Monkey Pod for lunch or dinner and stroll through Four Seasons and Aulani Resort. Tip: must arrive early for parking and a spot. We came on a a Friday, not a holiday. Kids are still in school and there was no parking, there were lined up cars waiting for others to leave. It's a hit or miss kind of situation. The lagoons are perfect for wave boarding and building sand castles.

    Alyssa C.

    Beautiful, clean, and lively. The Ko'Olina Lagoon 4 is a wonderful place to enjoy the sun and sandy beach. It's a well taken care of area. It's very family friendly, with shallow waters and greenery in every direction. It's a perfect place for a quick lunch, dip in the water, and free parking area as well.

    Ashley S.

    What a beautiful beach lagoon! I came here solo for a beach day and had such a wonderful time! It was very quiet, clean and comfortable. In this area, there are 4 lagoons- this one is at the end and had less foot traffic then the rest. Only downside, parking is very scarce so there is a chance that you will have to wait for someone to leave- i didn't mind, I waited about 10 mins. Oh the water was absolutely beautiful!

    Lyn C.

    Ko Olina is our favorite beach whenever we're back home. The beach is clean and the water is clear and calm for our two year old son. We particularly like going to Lagoon 4 because it's less crowded with more parking spots compared to the other lagoons. Parking is free but it can fill up fast so I recommend trying to get there early as possible. We came here last Tuesday as a large group with our family. Everyone had so much fun. We brought snacks and drinks and just lounged around while watching all of our kids play together and swim. We sat near the rock wall too which the kids loved to explore and climb. My son had so much fun that he didn't want to leave even though he was shivering in the water at one point. We absolutely love this beach! It's so much better for our son compared to going to Waikiki or Ala Moana. We will continue to keep coming back again and again. I recommend!

    Monday blues
    Victoria A.

    Shucks! Word is out. The lagoons are the place to come. The combination of massive grassy areas to picnic and / or veg and the kid friendly waters lull tourists AND locals out to play here. Given any weekend you find huge families coming out with their coolers, picnic blankets and chairs all over the grassy areas. Tents are NOT allowed as well as any hibachi grills. Important to note: there are NO lifeguards at any of the lagoons so swim at your own risk. I've been coming to these lagoons now for the past 20 years and as of late I am finding trash in the water. Just yesterday I pulled out a full spool of fishing wire, an ice bag, plastic bags, rubber seal, plastic caps from plastic water "bottle," and the plastic holder for six-pack drinks. All that in the span of one 4 hour outing. I've never seen this much trash in the water and the shore before. Ever! The grassy areas are pretty clean. On the weekends the trash bins are overflowing. But this is really just seen on the weekends and holidays. This is still one of my favorite places to take family and friends to but quite dismayed at the amount of trash in the water and beach.

    Cooking in the sand
    Rob F.

    My grandkids were off for during break so we took them here to enjoy the day. We left a little later than I had wanted and got there about 1045. I was worried about finding a parking. We lucked out and got the last stall in the parking lot. I think there's a lot where you can pay but luckily I didn't have to use it. The beach is very good for people with kids. With the break walls there are no waves and very little surge. The beach is covered with sand in to the water. The water gets deep very gradually. The one thing I don't care for is that it is very windy. Not sure if that affects the water temperature (I doubt it). I would say the mix between tourist and local was probably 75% to 25%. Definitely one of my favorite beaches.

    James T.

    In our effort to snorkel all over Oahu our family spent the morning at the Ko Olina Lagoon #4. It was ~30 min drive from Honolulu. We arrived around 8:30am (30 mins after opening) and the parking at lagoons 1-3 were already full. Thankfully lagoon 4 still had parking even though the sign in front of the gate said "parking lot full." The water in the lagoon area was very calm and would be great for younger kids. We snorkeled for a while and there are some fun fish to see. After a few hours we decided to pack up and explore more of the island. It would be easy to spend a day here checking out each of the different lagoons. #4 is the smallest and there is a nice paved path connecting all the lagoons.

    4th of 4 Lagoons
    Ruby S.

    Great for snorkeling. Peaceful. Not crowded (10.24.24). Clean. Parking may get tough but go early to get a spot. Restrooms aren't the best but it's a public beach! Sand is rocky. Lots of shaded areas under the trees. Outdoor showers available. No lifeguard. Water is calm!

    Walking path
    Linda S.

    It is amazing here just get here early for free parking. Bathrooms are clean lagoon is great if you have kids.

    Brian M.

    So just found out that this has free parking! A nice quiet lagoon where it wasn't too crowded at all. You have plenty of room on the beach to relax or go swimming in calm water. The only real downfall (literally) is if you don't enter the beach by the sides you have to jump anywhere from 1 to 2 feet down from the grass. They have a shower so you can rinse off after you get off the beach. Note: no lifeguard on duty Another note: Adult fish take their children's education seriously because I saw a school of fish....(I'll see myself out now, your welcome for the Dad joke.)

    Lagoon 4

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    2 years ago

    Calm water, nice sand, better facilities (with soap). Be patient and a parking spot will open up.

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    Ko Olina Lagoon 4 Reviews in Other Languages

    Ask the Community - Ko Olina Lagoon 4

    So I want to go swimming is the pool open?

    I believe the private pools are only for guests or residents at the hotels and extended stay resorts. Lagoon 4 beach is a public access beach and the other lagoons are private beaches for the resorts. You will need a pool wrist band and key card… 

    Is your guys parking lot easy to find parking?

    There are multiple parking lots to the lagoons. The largest being at the last lagoon. If you arrive early in the morning (before 8 or 9am), you won't have a problem finding a stall.

    Are the lagoons open yet?

    Yes. I just called someone at the Marina and they said the lagoons are open, but the public parking lots are still closed. They said if you're planning on going to the lagoon, best bet is to be dropped off by someone.

    Is this beach open to the public or you have to be a guest at the hotel?

    All the lagoons are open to the public, you just can't sit in their set up lounge chairs

    Can I bring a small grill here to barbecue?

    Unfortunately NO. No grills, tents or umbrellas allowed on the beach or the lawn. Security will come by and have you remove or dismantle the items.

    View All 10 Questions

    Review Highlights - Ko Olina Lagoon 4

    Epic sunsets, free parking, family friendly, beautiful views, paved and accessible, & a resort beach area.

    Mentioned in 17 reviews

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    Barber's Point Beach Park & Lighthouse

    Barber's Point Beach Park & Lighthouse

    3.5
    (26 reviews)
    2.3 mi

    Pros: Stunning geography, with sandy shallow turquoise…read morewaters and waves that break about 100 yards out. Picturesque lighthouse. Two rinse areas. Restrooms. Cons: The grass and parking lot between the sand and street badly need garbage pickup. Unused shopping cart in the grassy area. A homeless issue. The restrooms are disgusting and heavily vandalized. No soap in the sinks, no towels. I would not bring a woman here or bring my family. For the life of me, I'm baffled why a state park system can't keep up with clean restrooms, given all the hotel taxes, rental taxes, and airport taxes charged to visitors needing basic facilities as a matter of survival. Not everybody can or wants to stay at the Four Seasons (which is terrific). There isn't a job at a resort for every local resident. Ordinary people need to use restrooms and clean themselves afterwards. If the City of Paris can provide terrific self-cleaning portable facilities, with far more inhabitants, then the state of Hawaii can do it, too. Don't give us that BS that "it's not in the budget." I don't mind paying five dollars or something to use the bathrooms or for a pass. The National Park System does a vastly better job.

    Barber's Point Lighthouse is not worth the stop. To access it you need to park at a park close by…read more This was a very shady part of town where it felt like a good place to buy drugs from a local. The lighthouse itself doesn't have a lot going on for it.

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    Lighthouse at sunset
    Lighthouse at sunset
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    Mermaid Caves

    Mermaid Caves

    4.1
    (16 reviews)
    3.4 mi

    Very interesting- and scary. You have to climb down into the cave .a d you get into the water and…read moreswim your way out.. dangerous as f.... Don't ever go alone and make sure you have help getting out.. you better be a strong simmer.. this is not a joke and not for beginners.. there were people to help me out of the water . My first time - I did it and don't need to go back... it's not a bright idea and dangerous as can be.. just look with your eyes.. don't do it .

    Mermaid Caves is almost a secret place hidden in the middle of nowhere, right in front of a private…read moreproperty. I did the research before I go and even my friend who live in Hawaii never come to this cave. You have to find the entrance that is not noticeable. Luckily my friends and I met some local and they point it out for us. The hole to get down is very small and when I got there the water had coming up if you get there in the morning it should be better, and we can go deeper to the cave but in the afternoon, it is too dangerous to deal with the wave. Even that inside the cave is very beautiful with reflection of the sun and water to the ceiling of the cave. WARNING! you shouldn't go alone. It must be group of friends to go together for a safety purpose unless you can't clam up and someone can help you. Since I try to visit a site of nature, it is something need to be considered, some place and be dangerous and must have company to go with.

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    Mermaid Caves
    Mermaid Caves
    Entrance

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    Entrance

    Ko Olina Lagoon 4 - beaches - Updated July 2026

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