Maritime LogisticsGovernment & regulators

Department of Marine Thailand

Department of Marine Thailand is the Thai government agency regulating maritime transport, vessel registration, port operations, marine safety, inland waterways, and coastal navigation. It is relevant to yacht-charter licensing, marina regulation, port infrastructure, coastal tourism, and maritime logistics compliance.

Profile overview

Department of Marine Thailand is the Thai government agency regulating maritime transport, vessel registration, port operations, marine safety, inland waterways, and coastal navigation. It is relevant to yacht-charter licensing, marina regulation, port infrastructure, coastal tourism, and maritime logistics compliance.

Public-record references
Data as of: 2024-2026

Regulatory program areas

Charter licensing

Commercial vessel licence framework

The Department of Marine Thailand administers commercial vessel licences required for charter operations in Thai waters. Operators running day-charter boats, sailing yachts, and crewed motor yachts for tourist passengers must hold DoM licences specifying permitted passenger numbers, operational zones, and safety equipment standards.

Vessel registration

Thai-flag and foreign-flag rules

DoM registers Thai-flagged vessels and oversees port entry for foreign-flagged superyachts transiting or chartering in Thai waters. Foreign-flag treatment rules, import duty on temporary admission, and permitted itineraries in national park waters directly affect the superyacht charter market's commercial viability.

Marine safety

Safety inspections and surveys

Annual safety surveys, life-saving equipment inspections, and crew certification requirements apply to all commercially operated vessels. Safety-standard enforcement affects which charter operators can legally carry passengers, influencing competitive dynamics between compliant and informal operators in Phuket's charter cluster.

Port and inland waterway oversight

Harbour master functions

DoM performs harbour master functions at Phuket, Krabi, Koh Samui, and coastal ports, covering vessel arrival and departure clearance, port-state control, and inland waterway safety. These functions intersect with the marina development capacity that supports charter fleet berthing and maintenance.

Andaman yacht charter and marina cluster β€” infrastructure

Phuket Yacht Haven Marina

Berths

320

Max yacht length

100m

Key feature

North Phuket; full service; liveaboard community

Ao Po Grand Marina

Berths

230-300

Max yacht length

100m+

Key feature

Northeast Phuket; transit hub; charter fleet base

Royal Phuket Marina

Berths

180

Max yacht length

80m

Key feature

East Phuket; residential marina; boutique hotel

Boat Lagoon Marina

Berths

200

Max yacht length

50m

Key feature

Central Phuket; dry dock; refit services

Koh Samui (Gulf coast)

Berths

Limited (40-80)

Max yacht length

30-40m

Key feature

Smaller operations; seasonal charter base

Watchpoints 2025-2026

Foreign-flag policy

Superyacht temporary admission rules

Thailand's rules for foreign-flagged superyachts chartering commercially in Thai waters are an ongoing friction point. Temporary admission, charter licence requirements for foreign flags, and Thai captain mandates affect whether Andaman Thailand can capture superyacht itineraries that currently favour Indonesia and the Maldives.

National park access

Similan and Surin marine park rules

DoM coordinates with DMCR on vessel access rules in national marine parks including Similan, Surin, and Ko Tarutao. Visitor-cap tightening and liveaboard permit allocations directly limit the revenue ceiling for operators running overnight charter trips to the most sought-after dive sites.

TIBS growth

Thailand International Boat Show

TIBS 2025 doubled its displayed fleet to 54 boats and attracted 6,000-plus visitors, signalling growing industry momentum. If government policy and DoM licensing keep pace with charter market growth, Phuket could position itself as the primary Southeast Asian superyacht hub by 2027-2028.

Source-pack context

Department of Marine Thailand is linked to existing Insight report coverage through tracked source packs. The cited sources provide the current evidence trail for market context, regulatory exposure, operator positioning, or sector structure; exact numeric claims should still be checked against raw snapshots before being surfaced as headline metrics.[, , ]

Deep operating read

Department of Marine Thailand is the maritime-regulatory gatekeeper for the Andaman yacht-charter and marina cluster. The source pack connects it directly to charter-licence regulation, while private operators such as Ao Po Grand Marina, Phuket Yacht Haven and Asia Marine supply the berth and fleet infrastructure. The department's operating importance is compliance: vessel registration, charter licensing, marine safety, port rules and coastal navigation determine whether high-value yacht tourism can operate formally.[, , ]

Execution watchpoints

Watch charter-licence enforcement, foreign-flag treatment, import-duty rules and superyacht infrastructure capacity. Phuket Yacht Haven discloses 320 berths and 100m yacht accommodation, while Ao Po Grand Marina reports 230-300 berths and 100m+ superyacht capability, giving the regulatory regime a clear infrastructure base to monetise. Boat-show attendance is a demand proxy: TIBS 2025 doubled to 54 boats and drew more than 6,000 visitors.[, , , ]

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Reports featuring this profile

Related Market profiles

Department of Marine Thailand - Market Atlas Β· Insight