For families with kids — calm beaches, lifeguards, facilities
After heavy rain, wait at least 72 hours before entering the ocean.
Our family beach itinerary for Big Island focuses on calm beaches, lifeguards, facilities. We recommend starting at Hapuna Beach (calm morning conditions, less wind) and building from there.
5-7 days minimum — the Big Island is huge (4,028 sq mi)
Rain alternatives: Volcanoes National Park, Hilo farmers market, Kona coffee farms, Imiloa Astronomy Center. Always check water quality 72 hours after rain before entering the ocean.
Tours listed via Viator and GetYourGuide. Safe to Swim Hawaii may earn a commission if you book, at no extra cost to you.
Free alerts when advisories change at your beach.
⚠️ Important Disclaimer
Safe to Swim Hawaii is an independent passion project — it is not affiliated with the Hawaii Department of Health, any entity mentioned on this page, 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.
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.
When in doubt, donʻt go out. 🤙