The SEAFDEC-Sweden Project convened the Gulf of Thailand Sub-regional Monitoring, Control and Surveillance (MCS) Network Meeting on 20-21 June 2019 in Chonburi, Thailand. The two-day Meeting brought together more than 30 participants comprised of officials from Cambodia, Malaysia, Thailand, and Viet Nam; representatives from relevant agencies (fisheries, marine, marine police, maritime enforcement, surveillance, and navy), as well as representatives from FAO, SEAFDEC Secretariat, TD, and MFRDMD. The Meeting started with a welcome speech delivered by Dr. Kom Silapajarn, SEAFDEC Secretary-General. After presenting the brief background and rationale of this Meeting, Dr. Kom emphasized the importance of strengthening the MCS network for the Gulf of Thailand (GOT) sub-region. During the Meeting, the participants were provided with information on national MCS system as well as MCS principles and benefits through collaboration among relevant agencies in the GOT countries. In addition, participants discussed on the common types of information on each component of M, C, and S that would be shared and coordinated among GOT countries that would be beneficial for science-based decision making for in managingof fishery resources, controlling fishing effort, and combating illegal, unreported and unregulated (IUU) fishing. To enhance the longer-term and formality of the cooperation, the Meeting provided feedback on the proposed working mechanism of the GOT sub-regional cooperation on MCS for future MCS coordination group as well as opportunity to gain support and continue the collaboration on GOT sub-regional MCS network.