Property Location With a stay at Seaside Inn Omori in Tokyo (Ota), you'll be minutes from Shinagawa Aquarium and close to Shinagawa Park. This hotel is within close proximity of Omori Midden Site Park and Ohi Racecourse.Rooms Make yourself at home in one of the 113 guestrooms. Complimentary wireless Internet access is available to keep you connected. Bathrooms have complimentary toiletries and hair dryers.Business, Other Amenities Featured amenities include luggage storage, laundry facilities, and an elevator (lift).