Online ordering menu for ISAAN THAI Classic | Bar & Restaurant. Isaan Thai Classic, located in Washington, DC, offers authentic Isaan cuisine from northeastern Thailand. Known for its flavorful dishes like crispy fried fish, stir-fried tilapia with Thai basil, and crispy pork belly, the restaurant provides a cozy atmosphere and excellent service. With options for dine-in, carryout, and delivery, it’s a great spot for enjoying traditional Thai flavors. The restaurant also has a private party ro