Kaʻanapali, Kahana, Napili, and Kapalua — all West Maui but 20 minutes apart.
The Hawaii Department of Health recommends staying out of the ocean for at least 72 hours after heavy rain. West Maui is the dry side of the island, but post-Lahaina fire runoff remains a concern for Kaʻanapali area beaches after heavy rain.
When people say "Kaʻanapali," they often mean the entire West Maui resort coast. But there are actually four distinct areas spread across 10 miles of coastline, each with a different character and beach experience.
Hotels: Sheraton Maui (at Black Rock), Kaʻanapali Beach Hotel, Marriott Maui, Hyatt Regency, Westin Maui
Beach: 3-mile stretch of sand, beachwalk connects all resorts. Black Rock (Puʻu Kekaʻa) at the north end is famous for cliff jumping and snorkeling.
Vibe: Bustling resort energy. Whalerʻs Village shopping and dining. Nightly torch-lighting ceremony at Black Rock.
Water quality: Generally good on West Mauiʻs dry side, but post-Lahaina fire runoff is a concern at the southern end near Hanakaoʻo Beach Park after rain.
Lodging: Mostly vacation condos (Sands of Kahana, Royal Kahana, Kahana Village)
Beach: Narrow, rocky shoreline. Not a primary beach destination. Good for sunset views.
Location: 5 minutes north of Kaʻanapali, 10 minutes south of Kapalua. Budget-friendly alternative.
Lodging: Boutique resorts and condos (Napili Kai Beach Resort, Napili Shores)
Beach: Napili Bay — a nearly perfect crescent of sand with calm, clear water. One of Mauiʻs best swimming beaches.
Vibe: Quiet, residential, old-Hawaiʻi feel. Sea turtles frequent the bay. No high-rises.
Hotels: The Ritz-Carlton Kapalua, Montage Kapalua Bay
Beaches: Kapalua Bay (consistently rated #1 beach in America) and D.T. Fleming Beach (wider, more exposed).
Vibe: Upscale, uncrowded, surrounded by golf courses and coastal trails. The quietest of the four areas.
Water quality: Kapalua Bay is well-protected and has excellent water quality. Fleming Beach is more exposed to northwest swells in winter.
| From | To | Drive Time |
|---|---|---|
| Kaʻanapali | Kahana | 5 min |
| Kaʻanapali | Napili | 10 min |
| Kaʻanapali | Kapalua | 15-20 min |
| Kapalua | Lahaina (town) | 20-25 min |
The August 2023 Lahaina wildfire and subsequent rebuilding have ongoing water quality implications for the Kaʻanapali area. Post-fire runoff carries ash, heavy metals, and construction debris into nearshore waters during rain events. A 200,000-gallon wastewater spill in Lahaina in March 2026 added further concern. Monitor advisories closely and follow the 72-hour rain rule, particularly at beaches south of Black Rock.
Top-rated experiences in the area.
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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.
When in doubt, don't go out. 🤙