Tunnels Beach: A Complete Guide to Kauai’s Famous Snorkeling Spot

What is Tunnels Beach?

Tunnels Beach (also known as Makua Beach) is a stunning beach located on Kauai’s North Shore in Hawaii. It is famous for its crescent-shaped golden sand, view of Bali Hai (Makana Mountain), and world-class snorkeling and diving thanks to its rich coral reef system.


Who This Guide is For

This information is most helpful for:

  • Travelers planning a trip to Kauai.
  • Snorkeling and diving enthusiasts looking for the best locations.
  • Families and casual beachgoers who want safe swimming areas and scenic views.
  • Photographers and nature lovers seeking picturesque landscapes.

Why Tunnels Beach is Special

  • Snorkeling Paradise: The outer reef creates large coral “tunnels” that attract tropical fish, sea turtles, and occasional monk seals.
  • Scenic Beauty: Backed by lush jungle and dramatic mountain cliffs.
  • Spacious Beach: Wide sandy shore with plenty of room to spread out.
  • Cultural Significance: Known locally as Makua Beach, it is a favorite spot among residents.

How to Get to Tunnels Beach

  • Location: North Shore of Kauai, about 8 miles (13 km) past Hanalei town.
  • Parking: Limited — arrive early or use nearby public parking lots and walk.
  • Access: Narrow local roads; be respectful of residents and avoid blocking driveways.

Snorkeling and Swimming at Tunnels Beach

The Inner Reef (Beginner Friendly)

  • Calm, shallow lagoon-like waters.
  • Great for families and first-time snorkelers.
  • Colorful reef fish commonly spotted.

The Outer Reef (Advanced Only)

  • Strong currents and waves — recommended for experienced snorkelers and divers.
  • Ideal visibility and vibrant coral formations.
  • Popular for scuba diving tours.

⚠️ Safety Tip: Always check ocean conditions. North Shore waters can be dangerous in winter due to high surf.


Best Time to Visit

  • Summer (May–September): Calm waters, safe snorkeling, best visibility.
  • Winter (October–April): Powerful surf and currents — swimming not advised, but excellent for beach walks and photos.

Facilities and Tips

  • No lifeguards on-site — exercise caution.
  • No restrooms or showers — plan ahead.
  • Bring water, snacks, reef-safe sunscreen, and proper snorkeling gear.
  • Keep the beach clean — pack out everything you bring.

Common Mistakes to Avoid

  • Parking illegally on private property.
  • Snorkeling during rough seas or ignoring warning signs.
  • Touching or standing on coral, which damages the reef.
  • Forgetting reef-safe sunscreen (regular sunscreen harms marine life).

Key Takeaways: Tunnels Beach at a Glance

  • Location: North Shore of Kauai, near Hanalei.
  • Highlights: World-class snorkeling, beautiful scenery, outer reef “tunnels.”
  • Best Season: Summer for calm water activities.
  • Travel Tip: Limited parking — arrive early, respect local property, practice ocean safety.

👉 In one sentence: Tunnels Beach (Makua Beach) is one of Kauai’s most picturesque and beloved snorkeling destinations, combining dramatic scenery with rich marine life — best enjoyed safely in the summer months.