Common feedback includes consistent praise for the cleanliness, modern amenities, breadth of equipment, and varied class offerings. The spa, sauna, and pool facilities are highlighted as standout features. Staff and trainers are often complimented by name for their professionalism and approachability, and several reviews cite the club’s community feel. The convenient locker rooms and ease of booking classes also emerge as frequent positives.
Overall, Third Space Marylebone is regarded as a well-managed, professional gym with a strong reputation for customer service and facility quality in London. Reviewers frequently describe it as a worthwhile investment, citing repeat memberships and high recommendations for those seeking a comprehensive fitness experience in the city.