From the website:

Located just two blocks from the MacArthur BART station in the bustling Temescal neighborhood of North Oakland, 4120 Martin Luther King Jr. Way is home to one of Oaklands upcoming fitness gyms, Jay's Training Grounds. The MLK corridor of Temescal is poised to join the booming food and drink scene on Telegraph Avenue and 40th Street. This is due to its proximity to the largest BART station in the system and to the MacArthur BART Transit Village, which features 880 residences and nearly 40,000 square feet of retail. You will be able to enjoy all of the delights each business has to offer in the area when you visit Jay's Training Grounds. At Jay's Training Grounds we offer a variety of classes including: Muay Thai, Boxing, Strength and Conditioning and one on one personal training. The gym also includes separate men and womens bathrooms/locker rooms with showers, kept clean and sanitized daily for each guest. Whether you're here to learn a new fighting skill or simply weight train, you will always enjoy the atmosphere and experience Jay's Training Grounds has to offer. We welcome you to join our fitness family and be a part of our growing experience.

Address: 4120 Martin Luther King Jr Way Oakland, CA