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BIG ISLAND · BEACH COMPARISON

Big Island East vs. West Beaches

Hilo side vs. Kona side — water quality, swimming, and which coast to choose

Quick Verdict
Best beaches overall West coast (Kona) wins
Water quality West coast wins
Weather & sunshine West coast wins
Snorkeling (manta rays) West coast wins
Unique experiences East coast wins (lava, waterfalls)
Swimming safety West coast wins
Side-by-Side Comparison
WEST COAST (KONA/KOHALA)
🌡 Rain: ~10 in/yr
☀️ Sunshine: 300+ days/yr
🏖 Beach type: White coral sand
🧪 Water quality: Low risk (1/5)
🌊 Swimming: Excellent conditions
🐏 Snorkeling: World-class (manta rays!)
EAST COAST (HILO SIDE)
🌡 Rain: 130+ in/yr in Hilo
🌧️ Sunshine: Variable, often cloudy
🏖 Beach type: Black sand, rocky
🧪 Water quality: Moderate (2/5)
🌊 Swimming: Limited calm options
🐏 Snorkeling: Good at Richardson Beach
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Safe to Swim Hawaii is an independent passion project — not affiliated with the Hawaii DOH. Ratings are estimates based on publicly available data.

Always verify with the Hawaii DOH Clean Water Branch before entering the water.

This site does not recommend or advise anyone to swim at any beach. We share government data and geographic analysis so you can make your own informed decisions. By using this site you accept full responsibility for your own safety. See our Terms of Use for full details.

When in doubt, don't go out. 🤙

© 2026 Safe to Swim Hawaii · safetoswimhawaii@gmail.com

⚠️ Important Disclaimer

Safe to Swim Hawaii is an independent passion project — not affiliated with the Hawaii Department of Health or any government agency. Water quality ratings 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 DOH Clean Water Branch before entering the water.

This site does not recommend or advise anyone to swim at any beach. We share government data and geographic analysis so you can make your own informed decisions. By using this site you accept full responsibility for your own safety. See our Terms of Use for full details.

When in doubt, don’t go out. 🤙

© 2026 Safe to Swim Hawaii · Independent passion project · safetoswimhawaii@gmail.com