Harumi Island Triton Square View Tower is a 50-storey tower with two basement levels at 1-6-1 Harumi in Chuo-ku, built in steel, steel-framed reinforced concrete and reinforced concrete and completed in February 1998, with 624 residences in a Category 1 Residential Zone. Management is fully outsourced to Sumisho Tatemono with a day-shift caretaker. Parking is listed at JPY 25,000 to 50,000 per month, subject to availability, and an association fee of JPY 350 per month applies. Pets are permitted under the detailed rules: dogs, cats and small animals up to about 50 cm in body length when grown, up to two per residence.

This residence is a 1SLDK of 69.86 sq m on the 38th floor, with an LDK of approximately 17.8 jo, a bedroom of approximately 6.7 jo, a service room of approximately 5.0 jo, a walk-in closet and a shoe-in closet. A renovation was completed on 11 May 2026, covering new flooring, joinery and entrance storage, a washroom vanity, a toilet with warm-water bidet seat, a unit bath with ventilation-drying, an electric water heater with reheating, a system kitchen, wall and ceiling coverings, light fittings, a dishwasher-dryer and floor heating. The residence is vacant, with handover by arrangement. Interior photographs are not supplied for this listing; the floor plan is reproduced from the listing material.