Issin Japanese Restaurant is a hidden gem, located on the 4th floor of the Westin Resort Guam, known to many local regular guests as an intimate restaurant that has been serving high-quality Japanese cuisine for over 20 years. Issin Japanese Restaurant specializes in high-quality sashimi and sushi options, traditional teppanyaki dishes, and classic shabu shabu or sukiyaki. Issin Japanese Restaurant4F The Westin Resort GuamOpen Monday - SaturdayLunch: 11:30 a.m. – 1:30 p.m.Dinner: 6:00 p.m. – 9:30 p.m. Call 647-1020 for reservations.