CITY TOWER THE RAINBOW: A New Seafront Landmark in Minato

This is a new condominium development located at Kaigan 3-chome, Minato-ku, Tokyo. The property is a 34-story, 264-unit seismic isolation tower residence situated in the bayside area of Minato Ward, near the waterfront. The building uses a seismic isolation system with laminated rubber bearings and elastic sliding bearings manufactured by Oiles Corporation to absorb earthquake energy and suppress building deformation and shaking.

The property offers a range of layouts including 1LDK to 3LDK units with exclusive areas from 42.77 sqm to 75.89 sqm. Balcony areas range from 10.80 sqm to 40.23 sqm. Each unit features a garbage disposal system in the kitchen, a mist sauna in the bathroom, and a wireless LAN hot water remote control that allows operation of the water heater and floor heating via a smartphone app. The building uses Eco Joes high-efficiency gas water heaters from Tokyo Gas, Low-E glass for energy efficiency, and a 24-hour mechanical ventilation system with pollen filters. Kitchens have natural stone countertops, a slide-type dishwasher, and a built-in composite shower faucet. Bathrooms feature natural stone vanity counters and a water-saving shower head. Toilets include a hand-washing counter with natural stone finish. The building is designed to achieve ZEH-M Oriented certification, aiming for a 20% or more reduction in annual primary energy consumption compared to current standards. Fire detectors are installed in each unit, and a hands-free key system is used for main auto-lock doors. A clean station for 24-hour garbage disposal is available on each floor. The property includes a free moving support package. An after-service center is available 24/365 for two years after delivery, with periodic inspections at 3 months, 1 year, and 2 years. An optional paid "Sumai Support 12 PREMIUM" service extends support for 12 years. Disaster preparedness supplies include rescue tools, ropes, shovels, dust masks, first aid kits, hand-crank radios, portable gas generators, emergency candles, folding water tanks, drinking water, and emergency toilets. A bench that doubles as an emergency cooking stove is installed on the premises. Earthquake-resistant door frames are used. Fire prevention equipment includes fire detectors and sprinklers on floors 10 and above. Parking is available with fees from 55,000 to 60,000 yen, and bicycle parking from 500 to 4,000 yen. Electric vehicle charging equipment is installed in the parking area. The property is a for-sale condominium with ownership rights for individual units and shared ownership of the land. The building is constructed of reinforced concrete with one basement and 34 floors above ground. Total number of units is 264, plus 10 other residential units. The site area is 2,368.30 sqm. The land is zoned for quasi-industrial use. The building confirmation numbers are: No. ERI-23030721 (dated January 31, 2024), No. ERI-24035258 (dated November 14, 2024), and No. ERI-25017316 (dated June 10, 2025). The seller is Sumitomo Realty & Development Co., Ltd., and the construction contractor is Nishimatsu Construction Co., Ltd. The property is a member of the (Public Corporation) Metropolitan Area Real Estate Fair Trade Council and the (General Corporation) Real Estate Association. The property is located a 14-minute walk from JR Yamanote Line / Keihin-Tohoku Line Tamachi Station, and a 5-minute walk from Yurikamome Shibaura-futo Station. It is also a 19-minute walk from Toei Asakusa Line / Mita Line Mita Station. The surrounding area features the msb Tamachi complex, Shibaura Canal Green Space, Shibaura Minamifuto Park, and Shibaura Park. Nearby medical facilities include Aiiku Hospital, Shibaura Clinic, and Tokyo Port Clinic. The building completion is scheduled for September 2027, with handover in September 2028. Management fees range from 15,460 to 26,660 yen, and repair reserve funds from 11,780 to 20,910 yen. The repair reserve fund deposit ranges from 800,400 to 1,420,300 yen. The property is being sold on a first-come, first-served basis. The information was updated on May 26, 2026, with the next update scheduled for June 9, 2026.