Analyzing the importance of Thailand's blue economy, this report considers ways to mobilize and scale up private sector investment in areas such as aquaculture and marine renewable energy to help bolster sustainable blue development. It explains why factors such as limited awareness of ocean economy opportunities, a lack of investment-ready at-scale projects, and insufficient monitoring are proving a barrier to investors. The report shows how creating an enabling environment and developing products such as sustainability-linked loans and technical assistance grants could help drive investment flows to the sector and safeguard Thailand's blue economic growth.