VADM Martin Fitness Center is a military fitness facility located on Naval Air Station North Island, serving active-duty service members, military families, and eligible DoD personnel. The center offers a full gym with free weights, cardio equipment, and functional training areas, along with group fitness classes and sports courts. While access is limited to those with base privileges, it plays an important role in the daily life of Coronado's significant military population. The facility is well-maintained and consistently rated highly by its users.