Learning jiu-jitsu in central Mexico City

A small independent club in colonia Juárez with an unusually explicit reason for existing: its founder writes that he started Anfibiobjj 'con el objetivo de ayudar a jóvenes a superar problemas de ira y adicciones' — to help young people through anger and addiction — and publishes his own record beside it: a two-degree black belt under Renzo Gracie and Mario Delgado, 17 years training, 15 teaching, seven national titles, a UNAM sociology degree. The mat is on the fourth floor at Cerrada de Hamburgo 4, minutes from Paseo de la Reforma, and the room's own site is the address of record: the federation registries still carry two older streets, one of which is a different academy's door. What the site does not publish is a timetable ('Horarios — Varía según la sucursal') or a price, and its registry entries point at Instagram, a channel this research does not read — so the first message does the work. A fit for a beginner who wants a small room with a stated purpose and a coach who teaches it himself, and who will ask for the week's times on WhatsApp before turning up

Why we say it: The address, the WhatsApp door and the founder's own account are the room's own site (anfibiobjj.com.mx and /julio-cordova, robots-open, read 2026-08-16; funnel read, never submitted). The address ruling is §11.R7: AJP 8672 and SC 36632 carry 'Eje Central Lázaro Cárdenas 395', which Sharks Academy publishes as its own street, and IBJJF 8790 carries a third — but AJP's phone field byte-matches this room's own WhatsApp, so the registration is Anfibio's and its street is stale. The lineage is the coach's own published statement, recorded as a fact about him and not the school: the chain's own affiliate list, re-read the same day, does not carry this room (§11.R6). No schedule or price is claimed, and the Instagram layer is unread — that gap is ours

The room in central Mexico City that is easiest to visit for a single session, and the only one publishing its price by the hour: Atlas Grappling's own 'Horarios y Costos' page lists a 'Costo Visitante' of $90 MXN an hour and warns in the same breath that classes run one to two hours — so budget $90 to $180 for one class, and ask how long the class you want is. Memberships work the same way, by hours rather than days: $1,099 a month for up to six hours a week, $1,499 for every discipline at any hour, and starter bundles at $5,500 (gi, belt, rash guard) or $4,100 (shorts, gloves, wraps) if you arrive with nothing. The mat is on the third floor at Xola 1113 in Narvarte Poniente — an address four separate surfaces agree on, which is unusual here — and the doors are open 6am to 10pm on weekdays. The room describes itself as a branch of a Las Vegas club; that is its own claim, repeated on the competition platform, and the US brand publishes nothing that confirms it, so take it as told. No day-by-day timetable and no coach are published, so phone or e-mail first. A fit for a visitor or beginner who wants to pay for exactly what they use

Why we say it: The visitor rate, plans, starter bundles, hours, address, phone and e-mail are the room's own site — homepage and /horario-1 — read 2026-08-16 (robots-open; a Wix Bookings page exists and no form was entered). The hourly rate never publishes bare: the one-to-two-hour caveat is the operator's own sentence on the same page, which is why the class price ships as a range (§8.10). The currency 'MXP' is the operator's spelling, preserved. The address is corroborated by SC 36730 (which adds CP 03020), read the same day with crawl-delay honored, and by AJP 8863 and IBJJF 9822 from D1. The Las Vegas claim ships as the room's own account of itself per §11.R4 — two surfaces carry it, neither of them the US brand — and no instructor is claimed, because the site names none

The Doctores room of Mexico City's largest domestic chain, and the rare central-spine entry that arrives with a name and a number rather than a form: the chain's own school list publishes 'Prof. Yuriana Pazarán Romero' and the room's phone, 56-2213-2218, beside the street. The mat is a suite — 'interior 301' — at Dr. Carmona y Valle 5, a few blocks from the Centro Médico hospitals, so expect a door and a floor rather than a shopfront. What is not on a surface this research may read is the timetable and the price: the venue's own site declines our crawler, and the chain's free-week form lists five other branches, so the honest first move here is a phone call. A fit for a beginner who would rather ring a named professor than fill in a chain form — and who doesn't mind a room reached through a building

Why we say it: The street, suite string, professor, phone and affiliation are all the chain's own school list (renzograciemexico.com/escuelas/, read 2026-08-16), where the phone is a byte D1 did not carry; the trial CTA and the five-branch free-week dropdown are the chain's own pages the same day (forms read, never submitted). The unread layer is stated as ours: bluematacademy.com.mx's robots.txt carries a literal ClaudeBot disallow (re-verified 2026-08-16, not fetched). No rank, schedule or price is claimed — none is published where this research may read it

An MMA house in Anáhuac, five minutes from Polanco, that runs jiu-jitsu almost every night — and publishes the week rather than hiding it behind a form. Its own timetable puts gi jiu-jitsu at 8pm on Monday and Tuesday, no-gi at 8pm on Thursday and Friday, wrestling for MMA on Wednesday, and two weekend classes at noon, the Sunday one running two hours. Founder Bryan Ortiz is published as a purple belt in Brazilian jiu-jitsu with advanced grades in Muay Boran and Muay Thai, and the classes are credited to him and Prof. Edgar Miranda. Know what the place is before you go: a striking and MMA gym with a real jiu-jitsu programme inside it, not a dedicated jiu-jitsu academy, and no prices are published — the way in is the 'clase muestra', the free sample class. Two practical notes: the site's programme page contradicts its own timetable about which nights are gi, and its WhatsApp link is mis-typed with a US country code, so ring 56 3000 2524 and confirm the night you want. A fit for a beginner who wants gi and no-gi in the same week and doesn't mind a fight gym's atmosphere

Why we say it: Everything above is the house's own site, read 2026-08-16 (robots.txt is 0 bytes: default allow): /info/horarios for the timetable, /clases/jiu-jitsu-brasileno for the programme text and its contradiction, /profesores for the roster and the founder's published purple belt, and the site-wide 'TOMA TU CLASE MUESTRA' funnel, read and never submitted. The timetable page leads over the programme page as the more specific surface, and D1's older schedule is superseded. Three phone bytes are carried, with the WhatsApp link's US country code stated as a defect in the link rather than a second number. The primary-art sentence is §8.7's requirement and rests on the site's own self-description; unfilled template placeholders are recorded and never read as staff. No price is claimed — none is published

The teaching-first room of the Benito Juárez spine, and the one that tells you how it teaches before anything else: EMCJJ publishes its method by name — the Constraints-Led Approach, which it describes as learning to solve moving problems in conditioned games with real resistance rather than repeating memorised techniques cooperatively. Its six instructors are listed with their belts written the Brazilian way, from the head coach's 'Faixa Preta 4 Grau' down to blue, and its programmes are sorted by who you are rather than by level: babies from three, kids, teens, adult BJJ, a women's class from fifteen, an over-40s class and self-defence. The first class is free — 'clase muestra gratuita' — and the site publishes the whole sequence after it: confirmation, orientation, then a first class where an instructor stays with you. The room is suite 301 at Av. Universidad 716 in Letrán Valle, and it has dated itself from 2007 through a complete site rebuild. Two practical notes: no prices are published anywhere, before or after the rebuild, so ask when you book; and the site gives two WhatsApp numbers on the same page, so try 55 6986 9281 first. A fit for a beginner who wants a structured beginner's path and a room that explains its own pedagogy

Why we say it: Everything above is the room's own site, read 2026-08-16 (robots 'Allow: /'): /instructores.html for the six ranked staff in their Portuguese belt register, /metodologia.html for the Constraints-Led Approach text, /contacto.html for the address and contact block, the site-wide footer for the second WhatsApp number, and the homepage for the free clase muestra and its three-step aftercare (booking flow read, never submitted). The no-prices finding is D1's, re-earned across a full rebuild — thirteen new pages, still no price. AJP 2108's Álamos street is recorded as a registry disagreement the own channel outranks, and the federation's own directory carries this school with an e-mail and no street. The founding year is cited from the site; its counter placeholders are not, since they contradict it

The flagship of Mexico City's largest domestic chain, on a Polanco corner at Ejército Nacional 540-A and Galileo — and the room where the chain's founder actually teaches: its own school list says the matriz academies are supervised by Mario Delgado personally and that 'él mismo brinda clases presenciales varias veces por semana'. He is published on the chain's own site as the first Mexican black belt in Brazilian jiu-jitsu, from the Gracie family, and on its storefront as a third-degree black belt under Renzo Gracie; four more instructors are named beside him. A beginner has two published ways in — book a trial class, or take the free week, whose sign-up form lists Polanco first. Two honest notes before you go. The chain's own site publishes two different phone numbers for this room, so try 55 5250 7884 first (the footer and the directory agree on it) and 55 2910 4590 second. And Polanco's timetable and prices sit inside a booking portal that needs an account, so this research cannot read them — ask when you register. A fit for a beginner who wants the city's most-established curriculum room and a week to try it

Why we say it: The street, corner, affiliation, instructor roster and both phone bytes are the chain's own site — /escuelas/, /nuestros-instructores/ and the site-wide footer — read 2026-08-16, on a host whose sitemap index was generated that same afternoon; the free week and its branch dropdown are its own /semana_gratis/ page (forms read, never submitted). AJP 347, re-read the same day with crawl-delay honored, carries no street (Location: 'Mexico', 292 members) — a D1 correction; IBJJF 2363's 'Galileo 361' is inherited from D1's drain and is the same corner. The unread layer is stated exactly: /horarios/ and /planes/ are Glofox portal iframes whose API answers 'The authentication token is empty' — an auth gate behind an open robots, recorded rather than routed around. No price, schedule or member-count claim is made

The Condesa branch of Mexico City's largest domestic chain, and a room a beginner can enter on a free week rather than a single free class: the chain's own sign-up page offers 'cinco clases gratuitas durante una semana completa' and lists Condesa among the five branches you can choose. The mat is on the first floor at Avenida México #49, in Hipódromo Condesa — a walkable, park-facing colonia. Two honest notes. First, this room's own site is one this research is not permitted to read, so its timetable and prices are published where we cannot follow — check mdcondesa.com or ask when you register; that is our limit, not the room's. Second, everything above stands on the chain's own school list rather than a room-level page, and the chain names no coach for Condesa, so ask who teaches the class you want. A fit for a beginner in the central colonias who wants a curriculum chain with a real trial week and is happy to settle details by message

Why we say it: The street, colonia, affiliation and channel are the chain's own school list (renzograciemexico.com/escuelas/, read 2026-08-16); the free week and its five-branch dropdown are the chain's own /semana_gratis/ page the same day (forms read, never submitted). The unread layer is stated as ours: mdcondesa.com's robots.txt carries a literal ClaudeBot disallow (re-verified 2026-08-16, not fetched), and the chain's own /horarios/ and /planes/ tabs for Condesa are iframes into that host. No instructor, price or schedule claim is made — none is published on a surface this research may read

The one room in central Mexico City where a beginner can see the whole commercial picture before walking in: Renzo Gracie Academy's Del Valle storefront sells a free trial week as an actual $0.00 product — jiu-jitsu, Muay Thai, MMA or wrestling — then publishes everything that follows. A single visit class is $300 MXN; six- and twelve-class packs bring it to $250 a class, which is the number you may see quoted elsewhere and the reason it matters which one you are buying. Memberships run from $1,799 a month for mornings-only jiu-jitsu to $2,699 for unlimited access to every discipline, kids from $1,699, and parking is $25 for three hours. One term to get right before booking: 'clase suelta' here is not a drop-in — every one is a one-to-one private with a named coach, $750 with either jiu-jitsu sensei, Bequer Ruiz (brown belt) or Miguel Morales (published as a black belt of Mario Delgado). The room runs three gi days and three no-gi days a week with the days rotating, a 9am competition class on weekdays, and says classes average ten to twelve people; the exact grid lives in its Instagram highlights, which this research does not read — ask on WhatsApp for this week's days. A fit for a beginner who wants a full trial week, published prices and small classes at a known Del Valle address

Why we say it: Every price is a live-cart figure read from the store's own /products.json on 2026-08-16 (§8.10) — not a search index and not the rendered button, since the static page reports all six variants unavailable while the JSON reports them available. The $300/$250 distinction is the store arguing with itself: its own BJJ FAQ quotes $250 for a visit class while its cart charges $300, and the pack arithmetic ($1,500 ÷ 6, $3,000 ÷ 12) shows what $250 actually is. 'Clase suelta' appears at four price points here and every one is a named-instructor private — the corpus-level false friend, re-verified. Address, phone, coaches and founding date are the store's own pages and the chain's school list, same day; where the two phones disagree, the store leads. The week's shape, the 9am competition class and the class-size line are the operator's own FAQ; the day-by-day grid is on Instagram, unread, and that gap is stated as ours (§8.6, §13.R12). Cart junk — a $0.00 'TEST' product — is recorded, never presented as an offer

Know what this place is first: Sharks Academy is Narvarte's karate house — eight of the nine disciplines it publishes are karate, point fighting, kickboxing or fitness — and inside it runs a real weekly jiu-jitsu class, not a jiu-jitsu academy. That class is published properly, which is why it is here: Monday and Wednesday 8:00 to 9:30pm and Saturday 10:30am to noon, minimum age 15, taught by Prof. Eduardo, whom the house publishes as a black belt certified by Anfibio Jiu-Jitsu in colonia Juárez. The first class is free and says so three times over — 'Tu primera clase es gratis. Ven a conocernos sin compromiso' — booked over WhatsApp on 55 8849 0904. The address is Eje Central Lázaro Cárdenas 395, an artery address in Narvarte Poniente, and the house dates its opening there to 2024. Two practical notes: no prices are published, so ask when you book; and the site's own contact page returns an error, so use WhatsApp rather than the nav link. A fit for someone in Narvarte who wants two evenings and a Saturday of jiu-jitsu inside a bigger martial-arts house — and not for someone after a dedicated jiu-jitsu academy with mats running all week

Why we say it: Everything above is the house's own site, read 2026-08-16 (robots.txt serves an HTML 404 shell — no directives, default allow): the homepage for the address, published twice, and the free-first-class funnel; /clases/jiu-jitsu.html for the jiu-jitsu times, minimum age, named instructor and his published Anfibio certification; the discipline list and 2024 opening date from the site's own copy. §8.7's conditions are both met and both visible in the fit: the primary art is stated plainly, and the jiu-jitsu class is evidenced on the house's own channel with times and a named instructor. The registry attribution of this street to another room is recorded as stale registry data rather than a shared venue per §11.R7 — both rooms publish their own addresses on their own channels, and the published link between them is a teaching relationship. The 404 contact page and counter placeholders are recorded; no counter is cited

A private combat studio in Del Valle that publishes the fullest price sheet in central Mexico City and, unusually, no free class at all: the way in is a paid single class at $350 MXN, booked through the site's own 'Reservar' flow. After that the sheet is complete — eight classes $2,400, twelve $3,000, sixteen $3,200; a jiu-jitsu-only membership at four classes a week for $1,700 a month; everything the house teaches, unlimited, for $2,000; kids at $1,200; and 90-, 180- and 365-day passes. Founder Francisco Ramírez publishes his own credentials — a black belt in Brazilian jiu-jitsu, a 6th-degree black belt in Kenpo, WAKO-certified in kickboxing — and five instructors are named across jiu-jitsu, MMA, wrestling, functional training and a kids' class. Two things to know before paying: the room's own pages give only the colonia, so the street — Anaxágoras 944 — comes from two federation registries that agree on it; and the homepage still advertises a cheaper 'Plan Básico' at $1,500 a month that the price page does not list, so confirm which plans exist. No class timetable is published anywhere, and the header and footer disagree about house hours. A fit for someone who wants a small multi-discipline studio with prices in the open and will pay for the first class

Why we say it: The prices, the paid first class, the staff list and the head coach's credentials are the room's own site — /comprar/, /reservar/, /contacto/ and the homepage — read 2026-08-16 (robots open; the booking flow was read, never submitted). The street is SC 91330, re-read the same day with crawl-delay honored (its Website field names this room's own domain), corroborated by IBJJF 15297 from D1's drain: the registry out-addresses the operator, a completeness exception to the own-channel default rather than a truth one. The plan-lineup and house-hours conflicts are recorded rather than resolved. Nothing is cited from the site's counter placeholders, English template headings or its two demo events dated March and April 2025. The second venue in Guadalupe Inn is a separate row per §11.R5, and its phone is not presented as this room's contact

The most completely published room in Mexico City's central spine, and the easiest one to plan a first week around: Top Brother's own site gives the street, the phone, the coach, a full weekly timetable and one price — $1,400 MXN a month for gi and no-gi — then offers the first week free ('Reserva tu semana gratis', booked over WhatsApp). The timetable is what makes it a beginner's room: a beginner class opens every weekday evening at 18:00, gi on Monday, Wednesday and Friday, no-gi on Tuesday and Thursday, with three Saturday classes and a Sunday open mat from 10:00 to 12:00 marked 'Todos los niveles'. It is the Mexican matriz of a six-room domestic brand, in Condesa at Campeche 246, and both federation registries carry the same street and the same phone — rare here. One honest note: the room's pages are entirely in Spanish, and any English you find about it comes from other visitors, not from the academy. A fit for a beginner or visitor who wants to see the week before committing, and who can send a WhatsApp message in Spanish

Why we say it: Everything above is the room's own site, topbrother.com.mx, read 2026-08-16 (robots-open; timetable, price, hours and free-week funnel all served in the page; the WhatsApp funnel was read, never submitted). Address, phone and person are independently confirmed by SC 36459 and AJP 2154, crawl-delay honored, the same day; IBJJF 2358's older Roma street is recorded as superseded. The two registries' member counts differ (174 vs 96) and neither is cited. The English in the review wall is reader-generated and is deliberately not presented as a language service