Timberhill Athletic Club is a spacious and well-equipped gym that offers a variety of options for fitness and fun. Members enjoy numerous pools, courts for racket sports, a weight room, and a wide range of group classes like yoga, Pilates, kickboxing, Zumba, and jazz dance. The facility features a hot tub, steam room, and the best locker rooms the reviewers have seen. The staff, including friendly and engaging team members, are known for being kind, helpful, and sometimes funny, making the experience pleasant. The gym is appreciated for its cleanliness, new high-quality equipment, and the convenience of day passes, allowing families to enjoy pool time together. Some minor issues mentioned include dusty basketball courts. Overall, Timberhill Athletic Club is seen as a great, friendly, and versatile fitness center suitable for all ages.