By ferry or shared speedboat the journey from Koh Kradan to Koh Ngai is scheduled to take from 15 minutes to 1 hour 25 minutes depending upon which service you take.
Ferry Times from Koh Kradan to Koh Ngai
There is currently 1 service a day from Koh Kradan to Koh Ngai available to book online.
| Koh Kradan | Koh Ngai | Ticket | Company |
| 12:15 | 12:50 | ฿490 | Baan Pun Travel |
Buy Tickets from Koh Kradan to Koh Ngai
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Koh Kradan Ferry Pier
Services from Koh Kradan to Koh Ngai depart from Koh Kradan Beach on the eastern side of the island.
Koh Ngai Ferry Pier
Services from Koh Kradan to Koh Ngai terminate at a ferry pier near Koh Ngai Resort.
About Travel to Koh Koh Ngai
Koh Ngai is one of a cluster of 4 small islands off the West Coast of Thailand in Trang Province (the other three are Koh Muk, Koh Libong and Koh Kradan).
Four Different Islands
Although these four islands are near each other, each has it’s character and people who visit one of the islands will normally choose to visit at least one other during their stay, even if it’s just on a day trip.

Development on Koh Ngai
Koh Ngai is a small island with very little development. Koh Ngai is 4 km long by 2 km at its widest point. The centre of island is jungle, with paths but no actual roads and the island has no motorised land transport. If you want to travel around the island you need to either walk or take a boat. Not that there are many places to visit on Koh Ngai. The island has one main beach, which is about 2 km long on the East coast of the island, and a further 3 beaches, all less than 500 metres long, to the South of the main beach.
Attractions in Koh Ngai
In terms of things to do in Koh Ngai this is a place to enjoy staying close to your resort, going to the beach, and snorkelling and diving in the clear coastal waters. The island has 3 diving schools and lots of private boat operators. The big tourist attraction in the area is the Emerald Cave on the neighbouring island of Koh Muk. To enter visitors need to swim through a partially submerged cave, which leads to an isolated cove surrounded by steep sided cliffs.