CrossFit Kryptonite, established in 2010, is a fitness gym located in C. Moriches that offers expert coaching, high-energy workouts, and a supportive community for individuals of all fitness levels. The gym provides a variety of programs, including CrossFit classes, strength and conditioning training, Olympic lifting, and gymnastics skills, all tailored with personalized coaching and modifications. Members consistently highlight the welcoming atmosphere fostered by the knowledgeable coaches and the owner, Mariana. The supportive environment encourages everyone to achieve their fitness goals, whether they are beginners or experienced athletes. Reviews emphasize the sense of community, where encouragement and mutual appreciation are key elements of the training experience. Many visitors return year after year, feeling welcomed and valued. New members have reported noticeable improvements in strength and confidence, thanks to the careful scaling of workouts to match individual abilities. Overall, CrossFit Kryptonite is celebrated for its excellent programming, friendly members, and effective results in strength and fat loss, making it a favored destination for fitness enthusiasts in the Westhampton area.
Really enjoyed my first 2 classes here while visiting. Mariana is a wonderful trainer and def look forward to returning when I’m back in the area!
August 2026
Mariana was amazing. We were in town for the weekend and wanted to get a workout in. The gym was clean, the people friendly, and the workout intense. Would recommend!!
July 2026
Joining Kryptonite CrossFit has been one of the best decisions I’ve made. Every class pushes me to be better, and the encouragement from the coaches and members keeps me motivated to show up every day. Thank you for creating such an incredible environment!
