This diner serves a fusion of Korean, Japanese and American cuisine on Main Street in Port Washington. Owned and manages by Hyek Chen, his father, Jeong Hwan Chen, is the sushi chef and his fiancé, Rachel Choi, does the cooking. Together, they renovated the restaurant that used to house Mama's Delight. iDiner is open for breakfast, lunch and dinner, adding Japanese and Korean dishes to the typical American-Greek diner mix.