Comfortable Accommodations Sky Heart Hotel Koiwa in Tokyo offers air-conditioned rooms with private bathrooms, baths, hairdryers, refrigerators, work desks, free toiletries, showers, and TVs. Free WiFi is available throughout the property. Convenient Facilities Guests can enjoy free WiFi, air-conditioning, private bathrooms, baths, hairdryers, refrigerators, work desks, free toiletries, showers, and TVs. Parking is available on-site. Prime Location Located 19 mi from Tokyo Haneda Airport, the hotel is a short walk from Daiju-in Shrine and close to Tousenji Temple, Shibamata Toys Museum, and other attractions.