| Location | 2-6-1 Nakase,Mihama-ku,Chiba-city,Chiba-prefecture |
| Access | 2minutes walk from kaihim Makuhari Sta.on JR Keiyo Line |
| Site area | 51,540.84㎡(554,785.60ft²) |
| Site area （554,785.60ft²） | 240,546.55㎡ |
| Rentable floor area (1,383,817.84ft²) | 128,560.89㎡ |
| Standard floor area | 1,915.26㎡（20,615.68ft²） |
| Structure | Steel structure(partly reinforces concrete and steel encased reinforced concrete) |
| No.of floors | 35 above-ground stories, 1 basement floor, 2 pent house floor(“tower” buildings) |
| Ceiling height | Standard floor:2,600mm(8.53ft) |
| Raised access flooring | 100mm(0.33ft)(Except for selected soecial floor) |
| Floor height | Standard floor:3,920mm(12.86ft) |
| External walls | PC plate curtain walls |
| Elevators | Marive East: 18 passenger elevators; 2 goods(emergency) elevators(towers) Marive West: 18 passenger elevators; 2 goods(emergency) elevators(towers) |
| Parking | 1,398 lots |
| Electric capacity | 30 VA/㎡(additional outlets can be installed) |
| HVAC | Interior zone: single-duct vartiable air volume control system Perimeter zone: single-duct constant air volume control system |
| Architest | WBG building Consortium (Kajima Corp., Mitsui Construction CO., Kumagai Gumi Co., Mitsuifudosan Construction Co., Ltd) |
| Completion | October 1991 |