Online ordering menu for Mongkut Thai Restaurant. Mongkut Thai Restaurant in San Clemente, CA, is a hidden gem where vibrant flavors and warm hospitality come together. Nestled in the heart of this charming coastal town, Mongkut Thai offers an authentic Thai dining experience in a cozy, inviting setting. The restaurant’s interior features elegant Thai-inspired décor, with rich wooden accents and traditional artwork creating a relaxed and sophisticated ambiance. We serve Wonton Soup, Panan