Black Box 100

Black Box 100 is a gym in Sussex, Wisconsin. The facility provides personal training, group fitness classes, athlete sports development, and access to an infrared sauna. Serving the Milwaukee and Lake Country areas, the gym offers functional, full-body classes that focus on increasing strength, cardio, and resistance alongside mobility and stability. The business maintains a 5.00 rating.

The gym is designed as an all-inclusive space where members can disconnect from the outside world to focus on both physical and mental strength. Certified trainer Erin Monfre, a former Division 1 college basketball player, leads the instruction with an emphasis on teaching the fundamentals of fitness and proper form. The training programs cater to all fitness levels, ranging from beginners to professional athletes, including notable clients such as Wesley Matthews of the Milwaukee Bucks. In addition to strength and conditioning, the facility features an infrared sauna designed to penetrate deep into body tissue to assist with recovery and toxin release.

Located on Indian Grass Lane, the gym is situated near State Highway 164 and County Highway VV. It is a short drive from Sussex Village Park and Ausblick Ski Hill, and is approximately 1.6 miles from the ProHealth Medical Group.

Black Box 100 is recognized for its high standards of training and its ability to support athletes at every level of development. The gym stands out for its commitment to providing a space where clients can prioritize mental health and recovery alongside physical transformation.

Through expert instruction and specialized recovery tools, Black Box 100 serves as a premier destination for fitness and athletic development in Sussex.