Mensore Okinawa Seaside Gym (めんそーれ沖縄シーサイドジム, lit. Mensore Okinawa Shiisaido Jimu) is a boxing gym located in Okinawa.
The owner of the place is Mensore Coach. In the manga the gym shown only outside, some of the panel in manga also shows inside of the gym but because of the action sequence scenes inside of the gym not detailed. The gym's popular boxer is Shimabukuro Iwao.
- Mensore Coach (coach/owner)