Drive times and water quality risk levels for beaches near Waimanalo, Oʻahu. Risk ratings are based on long-term DOH bacteria testing data and geography. Always
check current Oʻahu advisories before swimming — conditions change after rain.
About Waimanalo
Waimanalo is a rural community on Oʻahu's windward coast, tucked between the Koʻolau mountains and some of the island's most stunning shoreline. The town retains a distinctly local feel with small farms, roadside fruit stands, and a slower pace than anything on the Honolulu side. Waimanalo's beaches stretch for miles along the coast with consistently clean water and fine white sand. The area receives regular trade-wind showers that keep the mountains green, but the beaches themselves drain well and recover quickly. Visitors looking for uncrowded sand and a glimpse of everyday Hawaiian life will find Waimanalo one of the most rewarding stops on Oʻahu.
Nearby Beaches — Ranked by Proximity
At over three miles long, Waimanalo Beach is the longest continuous stretch of sand on Oʻahu. The wide, flat shoreline is backed by ironwood trees and rarely feels crowded, even on weekends. Water quality here consistently ranks among the best on the windward side, with minimal stream runoff affecting the main swimming areas.
Bellows is a military beach that opens to the public on weekends and federal holidays. The sheltered bay has gentle shore break ideal for beginner bodyboarders and families with young children. Camping is available by permit, and the ironwood-lined sand feels secluded despite being just minutes from town.
Makapuʻu is Oʻahu's premier bodysurfing beach, with a steep shore break that produces powerful waves even on calm days. The Makapuʻu Point Lighthouse Trail starts from the parking lot and offers panoramic views of the windward coast and offshore islands. No stream runoff reaches this beach, so water quality tends to hold up well even after rain.
Kailua Beach consistently appears on national "best beach" lists for its turquoise water and powdery sand. Kayak rentals nearby let you paddle out to the Mokulua Islands, a pair of seabird sanctuaries just offshore. The Enchanted Lake canal drains into the bay, which contributes to moderate bacteria readings after heavy rain.
Lanikai regularly tests as one of Oʻahu's cleanest swimming spots thanks to its distance from any stream outlet. Access is through narrow public paths between beachfront homes in a quiet residential neighborhood, and there are no restrooms or parking lots. The twin Mokulua Islands frame the horizon, making this one of the most photographed beaches in Hawaii.
Getting Around
Waimanalo sits along Kalanianaʻole Highway (Route 72) on Oʻahu's windward coast. The highway connects Waimanalo to Kailua to the north and Makapuʻu to the south in a scenic coastal drive.
- From Waikīkī: About 30 minutes via the H-1 freeway and the Pali Highway, or a scenic 40-minute drive through Hawaiʻi Kai along the coast
- TheBus Route 57: Runs from Kailua through Waimanalo and connects to the Sea Life Park area — service is roughly every 30 minutes on weekdays
- Parking: Free lots at Waimanalo Beach Park and Waimanalo Bay Beach Park — both fill by mid-morning on weekends
- Tip: The coastal drive from Makapuʻu through Waimanalo to Kailua is one of Oʻahu's most scenic routes and worth doing as a loop trip
If Brown Water Is Active
After heavy rain, bacteria levels spike at beaches near streams and river mouths. If a brown water advisory is active near Waimanalo, Oʻahu:
- Wait 72 hours after rain stops before entering the water
- Avoid brown or murky water regardless of whether an advisory is posted
- Best rain-resistant option: Makapuu Beach (South) — generally clearer after rain due to geography
- Check the Oʻahu live advisories page for current conditions
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⚠️ 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. 🤙