Ranked by water quality and conditions
| # | Beach | Coast | Water | Crowds |
|---|---|---|---|---|
| 1 | Ala Moana Beach 15 min from HNL, reef lagoon |
South | Moderate ● | Moderate |
| 2 | Ko Olina Lagoons 20 min from HNL, calm lagoons |
West | Low ● | Moderate |
| 3 | Waikiki Beach 25 min from HNL depending on traffic |
South | Moderate ● | High |
| 4 | Ewa Beach 10 min from HNL, local neighborhood |
West | Moderate ● | Low |
| 5 | Sand Island Beach Closest to HNL but poor water quality |
South | High ● | Low |
Near-airport beaches are great for first/last day stops. Check luggage storage options near the airport if visiting on departure day.
The Hawaii Department of Health recommends staying out of the ocean for at least 72 hours after heavy rain, even if the water looks clear. Bacteria and pollutants from runoff can linger in the water longer than the brown color does.
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⚠️ Important Disclaimer
Safe to Swim Hawaii is an independent passion project — it is not affiliated with the Hawaii Department of Health, Oahu beaches, or any government agency or hotel brand. Water quality ratings on this site are estimates based on publicly available testing data and geographic analysis. They are not real-time measurements and may not reflect current conditions. “No DOH Alerts” means no advisory is currently posted — it does not mean the water was tested and found safe. DOH only monitors a fraction of Hawaii’s beaches, and some areas have no regular testing at all.
Always verify current water quality conditions with the Hawaii Department of Health Clean Water Branch before entering the water. This site is for informational purposes only and should not be the sole basis for any swimming decisions.
This site is a work in progress and we want to make it better. If you notice something that isn’t working right, have a suggestion, or want to share local knowledge about a beach, please reach out.
When in doubt, don’t go out. 🤙