Agent
Muriel Fonseca | San Miguel Sotheby's International Realty
Agency San Miguel Sotheby's International Realty
Description
With over 20 years of leadership experience and a career rooted in the intersection of precision and empathy, Muriel Fonseca serves as a premier real estate agent at San Miguel Sotheby’s International Realty in the beautiful UNESCO city of San Miguel de Allende. Holding a degree in Industrial Relations (L.R.I.) and a background as a Quality Leader (ISO 9000), she brings an unmatched level of corporate-level ethics and rigorous organizational standards to the luxury real estate Mexico market.
Prior to transitioning to a full-time real estate advisor, Muriel served for five years as Executive Assistant to the previous owners of San Miguel Sotheby’s International Realty. This experience gave her a deep understanding of the business, the expectations of discerning clients, and the service standards that define the brand. She later transitioned into an agent partnership with the leadership team before establishing herself as an independent advisor, a natural progression that reflects both trust and proven expertise.
Muriel’s diverse professional journey spans high-stakes social assistance and leadership in AAA Diamond-rated hospitality, instilling in her a unique "strategic empathy." Having navigated six personal relocations before settling in San Miguel a decade ago, she understands that buying or selling luxury homes in San Miguel de Allende is not merely a transaction, but a significant life transition. As a native of Guanajuato and an accredited member of AMPI, she offers clients an insider’s mastery of local laws, culture, and the heritage of the region.
Fluent in English and currently expanding her repertoire with Portuguese and French, Muriel combines a local soul with a global vision. Whether representing sellers or guiding buyers through the purchase of historic estates or modern investment properties, she leverages the global reach of Sotheby’s to ensure a seamless, sophisticated experience.
As part of San Miguel Sotheby’s International Realty, Muriel represents a brokerage recognized for excellence on both a national and global level. The firm has been honored with prestigious distinctions including the International Property Awards and Luxury Lifestyle Awards, and is consistently ranked among the Top 100 Luxury Real Estate Brokerages in the World. Backed by the global reach of Sotheby’s International Realty, she offers clients unparalleled exposure and access to an elite international network.
Building on this foundation of excellence, Muriel was personally honored in 2025 with the prestigious Sotheby’s Spirit Award. This global distinction recognizes her profound commitment to the brand's values, her professional integrity, and her exceptional ability to foster community and collaboration within the network.
Her passion for enology, history, and the natural beauty of the Highlands allows her to connect clients with the authentic legacy and lifestyle of the heart of Mexico.
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Agency
San Miguel Sotheby's International Realty
Diez de Sollano y Dávalos #19, Centro - 37700 San Miguel de Allende
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Detached House in San Miguel de Allende, GuanajuatoPremium€ 1,318,100460 m² 6 4Set within the prestigious vineyard community of Santísima Trinidad , this light-filled contemporary home offers refined living in one of the most scenic regions near San Miguel...
Presented by Muriel Fonseca | San Miguel Sotheby's International Realty -
Apartment in San Miguel de Allende, GuanajuatoPremium€ 1,016,200242 m² 3 2Quinta Tanneries Grand Residence This luxurious condominium is located steps from the most iconic locales of San Miguel de Allende; the Jardin (La Parroquia) and the Rosewood...
Presented by Muriel Fonseca | San Miguel Sotheby's International Realty -
Apartment in San Miguel de Allende, GuanajuatoPremium€ 846,200179 m² 2 2This luxurious condominium is located steps from the most iconic locales of San Miguel de Allende; the Jardin (La Parroquia) and the Rosewood Hotel. Imagine walking through the...
Presented by Muriel Fonseca | San Miguel Sotheby's International Realty -
Detached House in San Miguel de Allende, GuanajuatoCollection€ 591,000450 m² 6 5
Price: $700,000 usd Casitas Duna is more than just a property; it is a smart investment and a lifestyle retreat located in Villa de Los Frailes, one of San Miguel de Allende's...
Presented by Muriel Fonseca | San Miguel Sotheby's International Realty -
Detached House in San Miguel de Allende, GuanajuatoCollection€ 281,400160 m² 3 3
Are you looking for a smart investment and the perfect canvas for your next home in San Miguel de Allende? This property, located in the sought-after La Lejona neighborhood, at an...
Presented by Muriel Fonseca | San Miguel Sotheby's International Realty -
Land in San Miguel de Allende, GuanajuatoCollection€ 309,6001,007 m²
Leveled Lot with Aqueduct-Style Fountain and Expansion Option in Villa de Los Frailes, San Miguel de Allende This 1,007 m² lot is strategically located in the central part of the...
Presented by Muriel Fonseca | San Miguel Sotheby's International Realty -
Land in San Miguel de Allende, GuanajuatoCollection€ 245,400797 m²
Lot with Kiosk and Jacaranda Trees in Villa de Los Frailes This 797.06 m² lot is located in the middle section of Villa de Los Frailes, a residential area known for its...
Presented by Muriel Fonseca | San Miguel Sotheby's International Realty
