Gimnasio Monster 714 in Metepec, Mexico shows 4.4 from 81 reviews, and its five written reviews, spanning 2023 to 2025, reveal a consistent tension between reviewers who praise the owners' attention and pricing, and multiple reviewers who specifically describe the space itself as too small.
A Detailed Account of Growth and Owner Attention (translated from Spanish)
Josefina Vera Salgado's review is the most enthusiastic here: "It's a great place to train, I've seen the growth and it's incredible and above all admirable, excellent attention from the owners, the routines and the equipment are on par with any other gym, so don't hesitate to choose it." I'd flag that growth observation directly, since a reviewer specifically noting visible improvement over time suggests an actively invested ownership rather than a static operation.
A Specific Complaint About Space and Programming Detail (translated from Spanish)
Lyn Gonzalez's review raises two distinct, specific concerns: "The space is small, sometimes you can't train very well. In the routines they have in their books, they're missing more focus on abs and back, and they need to pay more attention to clients." I'd treat that book-routine detail directly, since it's a specific, actionable gap, insufficient abdominal and back programming, rather than a vague complaint about the workouts overall.
A Specific, Detailed Complaint About Cardio Equipment and Damage
Javi Fierro's review is the most critical in this set: "A very small space, practically no cardio equipment, and some badly damaged machines." I'd note that this directly echoes Lyn's space complaint from roughly a year and a half earlier, suggesting the size limitation may be a persistent structural issue rather than a one-off impression, though his additional point about damaged machines is a new, separate concern.
Positive Accounts of Service, Pricing, and Hygiene
Daniela Alejandra Hernandez Medina's review, from June 2025, describes good staff attention, good service, accessible prices, and everything necessary available (translated from Spanish). Berenice Fuentes's review adds a strongly positive account: "Excellent service and equipment, 10/10 hygiene, pleasant atmosphere, affordable monthly payments!"
What's Missing
Nothing here confirms whether the specific damaged-machine issue Javi described in January 2025 has been repaired, since it's the most recent critical review in this set. No review states an exact monthly price, only general characterizations of affordability.
Who It's Not For
Anyone who specifically needs a wide range of cardio equipment, given at least one detailed, specific complaint about a near-total lack of cardio machines. Anyone training in a group or needing significant floor space, given multiple independent reviewers describing the space as small.
Calle Ignacio Allende 140, Santa Cruz, 52140 Metepec, Mex., Mexico. The phone number is +52 722 592 6831. Hours are Monday-Thursday 06:00-22:00, Friday 06:00-21:00, Saturday 08:00-14:00.