There is a version of yacht ownership in Thailand that nobody puts in the brochure. The boat is in Pattaya. You are in Bangkok, or Hong Kong, or somewhere with a runway and a meeting. Between you and the deck there is a two hour drive that can be four, and the weekend you were going to spend on the water becomes a weekend you spend getting to it.
The Gulf and the Andaman are two of the better cruising grounds in Asia. Both are easy waters to sail. Reaching either on a schedule is the hard part, and that is what quietly shapes how much use an owner gets out of a boat here.
Private aviation is the obvious answer, and in Thailand it has just become a more interesting one.
The marina that put in a landing site
Ocean Marina Jomtien, on the Gulf coast just south of Pattaya, is one of the largest marinas in Southeast Asia and the centre of gravity for yachting in the Gulf. In May 2024 it announced a partnership with Siam Seaplane and Ocean Property to build a dedicated amphibious seaplane facility on site.
That means a water landing and take off point at the marina itself, alongside the berths.
The practical version is that an owner or a charter guest arriving from Bangkok can land on the water beside the boat and skip the drive down Sukhumvit, the long road that runs from Bangkok down the east coast. Siam Seaplane lists connections into Jomtien from Bangkok and from Hua Hin, along with scenic flights over the islands off Pattaya and down the Rayong coast toward Samet.
It is worth pausing on what that does to the weekend. The drive is the reason a lot of Gulf boats sit unused from Monday to Friday and then get half of Saturday. Remove it and the same boat becomes a Friday evening proposition.
The aircraft
Siam Seaplane operates an amphibious Cessna Grand Caravan 208 EX, a single engine turboprop fitted for up to eight guests in a VIP configuration. Reclining leather seats, a pair of chairs facing back into the cabin, fold away tables, a small sofa at the rear, and no cockpit door, so the cabin reads as one space.
It cruises low, between 2,000 and 9,000 feet, which over Phang Nga Bay or the islands off Pattaya is a reason to take it in itself.
It is a turboprop with eight seats, flown in daylight under visual flight rules. For a crossing of an hour or so to a marina or an anchorage, that is the right aircraft. For longer international legs the company arranges larger charter aircraft, from light jets upward.
The company was founded in 2019, holds an air operator certificate issued in 2024, and has flown charter across Thailand since. It ordered six more Grand Caravans during 2026, which would take the fleet to seven, and has stated an intention to reach 15 amphibious aircraft inside five years.
Why the regulations matter to an owner
Until recently the seaplane side of all this was theoretical, because Thailand had no framework for commercial water operations.
That changed on 1 July 2025, when the Civil Aviation Authority of Thailand brought in two regulations after several years of work with the industry. TCAR OPS Part SEA sets the operating standard, crew responsibilities and safety management requirements for commercial seaplane operations. Regulation No. 101 covers the water itself: how a temporary landing area is established and surveyed, where the water runway and taxi channels sit, where aircraft moor, and what happens in an emergency.
The framework applies to aircraft of 5,700 kg or less operating in daylight under visual rules, and it requires an air operator certificate.
For an owner, it means a seaplane arrives at your marina as a scheduled operation, with a surveyed landing area, defined mooring and an emergency response plan. That is the version you can plan a season around.
Krabi, and the Andaman side
The first approvals came through in May 2026, when the Krabi Provincial Marine and Coastal Resources Committee cleared three temporary water landing points off Tubkaek Beach, on the coast north of Ao Nang.
The conditions attached are the part worth reading. Compliance with aviation safety law and landing procedure, set distances between floating docks, an assessment of the effect on marine and coastal resources, and an agreement that the sea space stays shared with the local community and the marine tourism operators already working it.
Anyone who has watched a busy anchorage get busier will recognise why that last condition matters. Shared water is the whole question, and the province has answered it upfront.
Further sites have been put forward on the Andaman coast, including Koh Phi Phi and Koh Yao Noi in Phang Nga. Each needs an environmental examination under a 2023 notification from the Ministry of Natural Resources and Environment before it opens. The operator is targeting 2027 for the start of commercial water landings.
What it changes for charter
Charter is where the economics of this land hardest, because a charter week is priced in days and loses a full one to the journey at each end.
A charter guest flying into Phuket International, clearing arrivals, taking a car to a marina and then a tender to the boat is spending the first afternoon in transit and the last one getting out. Two days of a seven day charter, gone to logistics.
A water landing at the marina or at the anchorage removes both. That is a material change to what the client receives for the same money, and it shows up in repeat bookings.
For crew it cuts the guest transfer choreography down to meeting an aircraft. For brokers it makes the harder to reach programmes sellable, which in the Andaman is most of the best ones.
Where this sits
One operator, one aircraft type, one approved province and a marina that moved early. It is a small picture and an early one, and it would be overstating it to call the network built.
What has changed is that it is now legal, surveyed and underway, with one of the largest marinas in the region already holding a site. For anyone whose boat is in Thailand and whose diary is somewhere else, that is the first structural answer to the oldest problem in owning here.
Getting to the water has always been the hard part. Now there is a way to fly straight onto it.
More at siamseaplane.com.
