Phuket’s Quick-Hop Paradise for Snorkelling and Soft Sand

A short glide from Phuket’s east coast, the Khai Islands deliver instant island atmosphere: shallow turquoise water, easy snorkelling, and bright beaches that feel tailor-made for a half-day escape.

Why Go

The Khai Islands are a trio of tiny islets—Khai Nai, Khai Nok, and Khai Nui—best known for clear, warm shallows and abundant tropical fish close to shore. They’re also widely described as private islands, which helps explain the “day-club beach” feel on the sand: simple facilities, quick service, and an easy in-and-out rhythm.

A private yacht day makes the experience feel calmer and more curated: arrive early, anchor just off the beach, and snorkel before the busiest tour waves.

Travel Time from Phuket

Khai is one of the closest island getaways you can do from Phuket.

• Distance: about 14 km from Phuket’s coast (varies by departure pier and exact island).
  
• Private yacht cruise (18–22 knots): ~25–45 minutes
  
• Speedboat (28–35 knots): ~15–30 minutes (TAT commonly cites ~15 minutes by speedboat).
  

Timing varies with sea conditions and departure point.

Best Time to Visit

Khai works nicely year-round, but conditions are typically at their easiest during the Andaman’s drier, calmer months (roughly Nov–Apr).

In the southwest monsoon period (typically mid-May to mid-Oct), you can still catch beautiful days—planning around forecasts and choosing protected routes is the key to a smooth trip.

Seasonal Access & Closures

Khai isn’t known for long seasonal shutdowns like some offshore marine parks, yet it’s an environmentally sensitive area. Authorities have restricted tourism activity here in the past due to coral damage, which is why responsible snorkelling habits and operator rules matter.

Because the islands are also described as privately managed, a small island/maintenance fee may apply depending on where you land and which services are operating that day.

Top Things to Do

• Shallow-water snorkelling with clouds of reef fish right off the beach
  
• Tender-hop between islands for variety (sand on Khai Nai/Nok, snorkel focus at Khai Nui)
  
• Beach picnic + swim stops with a relaxed “no-rush” schedule
  
• Photos on bright white sand with scattered rock formations as natural backdrops
  
• A playful stop at “Cat Island” (Khai Nai is often nicknamed this thanks to resident cats).
  

Signature Spots

• Khai Nok: classic powder-sand look, easy swimming, and snorkelling close to shore
  
• Khai Nai: the social beach vibe—plus the well-known “Cat Island” nickname
  
• Khai Nui: a tiny islet often treated as the “snorkel-first” stop on many Khai routes
  

Suggested Yacht Itineraries

Half-Day (The Perfect Reset)

• Early departure from Phuket
  
• Khai Nui snorkel session (clear water, lively fish)
  
• Khai Nai or Khai Nok for a beach swim + relaxed snacks onboard
  
• Cruise back before mid-day heat peaks
  

Day Trip (Khai + Something Extra)

• Morning Khai snorkelling
  
• Add a second, quieter stop on the way back toward Phuket’s east-coast islands for a longer swim and lunch at anchor
  

Island Hopping (Khai as the “Warm-Up”)

• Start with Khai for quick snorkelling gratification
  
• Continue onward toward bigger day-trip icons (your captain will pace the day around sea state and crowd patterns)
  

If you’re planning this with Clyde Andaman, Khai is an ideal “low-effort, high-reward” route—especially on Bon Bon for a polished half-day, or as a relaxed opening chapter before a longer cruise on Clyde Legacy.

Quick Tips for a Smooth Visit

• Choose early morning or late afternoon for the most serene feel and softer light
  
• Keep snorkelling reef-friendly: gentle finning and a relaxed distance helps coral stay healthy
  
• Enjoy fish “as-is” (past coral damage concerns in the area are one reason many operators discourage feeding)
  
• Pack a dry bag for phones and sunscreen for tender-to-beach transitions
  

FAQ

How far are the Khai Islands from Phuket?
TAT commonly cites about 14 km from Phuket’s coast, with roughly 15 minutes by speedboat from select east-coast piers.

Which islands are included in the Khai group?
The best-known trio is Khai Nai, Khai Nok, and Khai Nui.

Are the Khai Islands good for beginners?
Yes—Khai is popular because the water is often shallow and clear, making it friendly for first-time snorkellers.

Why is Khai Nai called “Cat Island”?
Many tours and listings refer to Khai Nai as “Cat Island” because of resident cats on the island.

Do the islands ever have restrictions?
They can. The Khai area has seen tourism restrictions in the past linked to coral protection, and day-to-day rules can vary by operator and conditions.

หมู่เกาะไข่ (Khai Islands) เป็นทริปหนีเมืองแบบเร็วที่สุดจากภูเก็ต น้ำตื้นใส เหมาะกับดำน้ำตื้นและพักผ่อนบนหาดขาว ๆ โดยทั่วไปช่วงเที่ยวสบายและทะเลนิ่งมักอยู่ราว พ.ย.–เม.ย. แต่เกาะไข่ก็ยังเป็นตัวเลือกที่ดีได้ตลอดปีถ้าวางแผนตามพยากรณ์อากาศ เวลาเดินทางจากภูเก็ตด้วยเรือยอชต์ส่วนตัวโดยเฉลี่ยประมาณ 25–45 นาที (สปีดโบ๊ทมักราว 15–30 นาที) ทั้งนี้ขึ้นกับท่าออกเรือและสภาพทะเลในวันเดินทาง