Introduction
Krabi province on Thailand's Andaman coast serves as a gateway to some of the most visually stunning island scenery in Southeast Asia. Towering limestone karsts draped in tropical vegetation rise from turquoise waters, creating landscapes that feel almost too dramatic to be real. While Krabi Town itself is a pleasant riverside hub, the real magic lies offshore — the legendary Phi Phi Islands, the climber's paradise of Railay Beach, and dozens of smaller islands reachable by longtail boat or speedboat. Island hopping from Krabi allows visitors to experience everything from world-famous Maya Bay to hidden snorkeling coves where you might be the only swimmer in the water. The variety is remarkable: one day you can scramble up limestone cliffs at Railay, the next kayak through sea caves at Koh Hong, and the following morning snorkel among black-tipped reef sharks at Bamboo Island. This guide covers the essential island hopping routes from Krabi, including how to plan your trips, what each destination offers, and how to balance popular highlights with quieter alternatives.
Overview
The Phi Phi Islands remain Krabi's most famous offshore attraction, and with good reason. Koh Phi Phi Don is the larger inhabited island where ferries dock, backpackers gather in beachfront bars, and longtail boats depart for snorkeling circuits. The smaller Koh Phi Phi Leh is uninhabited and home to Maya Bay, the crescent-shaped beach made world-famous by the Leonardo DiCaprio film that put it on every traveler's bucket list. After years of closure for ecological recovery, Maya Bay has reopened with strict visitor limits — swimming is no longer permitted in the bay, but you can walk on the beach and admire the dramatic cliff-framed setting. Boats now approach from Loh Samah Bay on the opposite side, which itself offers excellent snorkeling over shallow coral. Speedboat tours from Krabi reach Phi Phi in about ninety minutes, while the public ferry takes closer to two hours. Most visitors choose a day trip, but staying overnight on Phi Phi Don reveals a different island after the day-trippers leave — quieter beaches, spectacular sunset viewpoints from the hilltop lookout, and bioluminescent plankton glowing along the shoreline on moonless nights.
Railay Beach is not technically an island, but the massive limestone cliffs separating it from the mainland make it accessible only by boat, giving it a distinct island atmosphere. Four beaches occupy the Railay peninsula: Railay West with its stunning sunset views, Railay East with its mangroves and budget accommodation, Phra Nang Beach with its legendary cave shrine, and Tonsai Beach — the rock climbing mecca attracting climbers from around the globe. Longtail boats from Ao Nang take just fifteen minutes, making Railay an easy day trip or a rewarding multi-day stay. The rock climbing here ranges from beginner-friendly routes on gentle overhangs to advanced multi-pitch walls for experienced climbers, with several schools offering half-day introduction courses. The Four Islands Tour is Krabi's most popular organized day trip, typically departing from Ao Nang or Krabi Town. The standard circuit visits Koh Poda, a picturesque island with a long white beach; Koh Tup and Chicken Island, connected by a sandbar that emerges at low tide allowing you to walk between them; and Phra Nang Cave Beach for its crystalline water and shrine-adorned cave. Longtail boat versions run around 800-1,000 THB per person and spend roughly forty-five minutes at each stop.
Speedboat upgrades cost more but cover greater distances and include additional snorkeling spots. Beyond the headline tours, Krabi offers excellent options for those seeking quieter waters. Koh Hong in the Than Bok Khorani National Park features an enclosed emerald lagoon accessible by kayak through a narrow sea cave — the experience of paddling into the hidden interior lake is genuinely magical. Koh Lanta, a larger island to the south, offers a more laid-back alternative to Phi Phi with long deserted beaches, excellent diving at Hin Daeng and Hin Muang, and a charming Old Town of stilted wooden houses. A day trip or overnight ferry from Krabi opens up this quieter side of the Andaman coast.
Highlights
- Step onto the legendary sands of Maya Bay on Koh Phi Phi Leh after its ecological restoration
- Rock climb the towering limestone cliffs at Railay Beach with views over the Andaman Sea
- Walk the low-tide sandbar connecting Chicken Island to Koh Tup on the Four Islands Tour
- Kayak through a sea cave into Koh Hong's hidden emerald lagoon surrounded by limestone walls
- Snorkel alongside black-tipped reef sharks in the crystal waters around Bamboo Island
- Hike to the Phi Phi Don viewpoint for a sweeping panorama of the twin bays at sunset
- Explore the shrine-decorated Phra Nang Cave Beach with its turquoise shallows
- Discover Koh Lanta's quiet beaches and Old Town as a relaxed alternative to busy Phi Phi
The prime season for Krabi island hopping runs from November to April when the Andaman Sea is calm, visibility peaks for snorkeling, and rain is rare. January and February see the clearest conditions but also the highest prices and biggest crowds. The shoulder months of November and April offer excellent weather with fewer tourists. From May to October, monsoon swells make some boat trips rough or unavailable, and several tour operators reduce their schedules. Koh Hong typically closes during monsoon season.
Practical Information
Cost Level
Four Islands longtail tours run 800-1,200 THB per person from Ao Nang including lunch. Phi Phi speedboat day trips cost 1,500-2,500 THB. Public ferry to Phi Phi Don is around 450 THB one way. Railay longtail boats from Ao Nang cost 100-150 THB each way. National park entry fees apply at several islands: 400 THB for foreigners at Phi Phi, 300 THB at Koh Hong. Budget accommodation on Phi Phi Don starts around 600 THB for a basic fan room, while Railay East bungalows run 800-1,500 THB.
Tips
Book Phi Phi speedboat tours that depart early to arrive at Maya Bay before the crowds build. Bring reef-safe sunscreen as several marine parks now restrict chemical sunscreens. For Railay, check tide times before planning your beach walks — Phra Nang Beach is best at low to mid tide. If you stay on Phi Phi overnight, hike to the viewpoint for sunset and then watch for bioluminescent plankton on the beach after dark. Snorkelers should bring their own mask for a better fit than rental equipment.
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Frequently Asked Questions
Can I visit Koh Phi Phi as a day trip from Krabi?
Yes, Phi Phi day trips from Krabi are very popular and well-organized. Speedboat tours depart from Ao Nang or Krabi Town pier around 8-9 AM and return by 4-5 PM, giving you a full day to explore Maya Bay, snorkel at Pileh Lagoon, and relax on Phi Phi Don. The speedboat takes about ninety minutes each way. Public ferries are cheaper but slower, taking nearly two hours, which leaves less time on the islands if doing a day trip.
Is Maya Bay open to visitors again?
Maya Bay reopened in January 2022 after a three-year closure for ecological restoration. Visitor numbers are now capped, and swimming in the bay is prohibited to protect the recovering coral. You can walk on the beach and take photos, and boats now approach through Loh Samah Bay on the back side. The restrictions have dramatically improved the bay's condition — the coral has returned and baby sharks have been spotted in the shallows again.
Do I need climbing experience for Railay Beach?
Not at all. While Railay is a world-class climbing destination, several schools offer beginner courses for those who have never climbed before. A typical half-day introduction costs around 1,000-1,500 THB and includes equipment, instruction, and climbing on routes graded for newcomers. Even if you have no interest in climbing, Railay's beaches are spectacular on their own and worth visiting purely for swimming, kayaking, and beach relaxation.
Which is better: the Four Islands Tour by longtail or speedboat?
Longtail boats offer a more traditional and atmospheric experience — the slow pace lets you soak in the scenery, and the boats can access shallow areas speedboats cannot. However, they are slower and can feel rough in choppy water. Speedboat tours cover more distance, typically adding extra snorkeling stops beyond the standard four islands. For budget travelers, the longtail version is excellent value. For comfort and more variety, the speedboat upgrade is worth the extra cost.
How many days should I spend in Krabi for island hopping?
A minimum of three full days allows you to cover the main highlights: one day for the Four Islands Tour, one day for a Phi Phi trip, and one day for Railay Beach. Five days gives you time to add Koh Hong, enjoy a rock climbing session at Railay, and explore Krabi Town's night market. If you want to include Koh Lanta, add two more days. Staying in Ao Nang provides the most convenient base for accessing all boat departure points.