About Us

Paradise Awaits®

Sixten: From the Scandinavian origin

The name Sixten is of Scandinavian origin,meaning “victory stone”. The name is
derived from the combination of the elements “six”, meaning “victory” and “ten”, meaning “stone.

Sophia Mannerheim


A Swedish-Canadian having lived, studied and/or worked in Sweden, Switzerland, Canada, Poland, Germany, Spain, USA, and Mexico, I am a multilingual world citizen fluent in several languages; Swedish, English, and Spanish. I am a hardworking, strategic, leader with 25 years of progressive experience impacting the corporate bottom line and performance through expert alignment. Throughout my university studies, I attended several international business relations exchange programs with Mexico including CEPE in Puebla, la Universidad de las Americas in Puebla, as well as la Universidad de Guadalajara. I graduated from the University of Western Ontario, Canada with a BA in International Business Relations, and then completed the Master Degree in International Business Administration (MBA) at the European University in Barcelona, Spain (second highest grade in the class).

As Global Human Resources Director and a member of the Board of Directors for a world leading manufacturing corporation headquartered in Canada for 8 years, I maximized performance of over 500 employees across multiple global geographic locations. A seasoned executive head-hunter and recruiter, I am proficient at building talented multinational workforces, by providing members with structured training, support, resource guidance, and motivation to exceed organizational objectives. Training and Certifications include: Certified Joint Health and Safety Committee (Chairman), Certified Internal Auditor (ISO), Chairman of the Joint Health & Safety Committee and First Aid Certified, Exceptional Customer Service, Fred Pryor, and Canadian Council for the Americas, Department of Foreign Affairs and International Trade as well as several certifications in real estate.

Living in Puerto Vallarta, Mexico for the last 15 years, I am currently a Luxury Specialist Broker Realtor at my brokerage Sixten Realty Keller Williams. I have two office, one in Jalisco and one in Riviera Nayarit. I am the Chair of the Productivity Committee on the Associate Leadership Council (ALC) at Keller Williams Bahía and top 10 in sales of the largest Market Center in Mexico. As a former head hunter and recruiter, my passion has always been matchmaking, but now my focus is on dream homes for clients in Mexico. My international background helps me greatly with buyer clients and the listings I market both nationally and internationally. Being multinational and multilingual ensures excellent communication skills with all parties. I love to learn and am always looking for courses to stay up-to-date on the market and enjoy my continuous professional development. This allows me to stay at the forefront of real estate and serve my clients more effectively. My connections include a vast network of national and international agents, potential buyers and sellers, and an excellent team of architects, builders, interior designers, appraisers, home inspectors, and mortgage loan officers. My network can attest that I have a great attitude and value teamwork, honesty, and integrity. Although I specialize in the luxury market, I understand the local housing market and have a pricing strategy for each scenario, providing real estate services to all market segments.

Doris Tostado

Real Estate Agent

Your happiness is my passion

My hometown is Mazatlan, Sinaloa.  I have a degree in business administration and worked in accounting for 10 years.  I made the switch to real estate because I very much enjoy assisting clients in finding the perfect property for their lifestyle.  I take my clients through each step of the process to ensure a stress free experience. 

Xochilt Chávez

Real Estate Agent

I was born and raised in Puerto Vallarta.  I graduated from the University of Guadalajara, with a bachelor’s degree in public accounting and a master’s degree in business administration and finance from the Tec Milenio, Tecnológico de Monterrey. I have more than 20 years of experience in my career and more than 10 years in administrative matters related to real estate. I am passionate about helping clients consolidate their dreams and achieve their goals through the administrative process where I support our real estate agents in each operation. Having satisfied and happy clients is my goal.

Alvaro Ortiz

Real Estate Agent

Your real estate agent Original Pata Salada

My hometown is Puerto Vallarta.  I am what the natives refer to as a “Pata Salada,” which literally means salty foot!  I am an Engineer specializing in alternative sources of power.  I love living in this paradise because of all it has to offer- the mountains, the beach, the culture.  I enjoy being outside, riding motorcycles, and going on various excursions.  It brings me joy to assist clients in realizing their dreams here in our paradise.  I am current with the real estate market via ongoing professional development.  I would love to be your real estate agent!

Marina de los Santos Álvarez

Real Estate Agent

Your investment is my passion

I am from Cuernavaca, Mexico.  I have a Bachelor degree in Journalism.  My family and relocated to Puerto Vallarta ten years ago.  The proximity to the sea and mountains, and the friendliness of the people contribute to the exceptional quality of life that can only be found here.  I have always had a connection to real estate.  My Father is an architect, so I was introduced at a young age.  It gives me great joy to be able to assist others in accomplishing their goals of finding the perfecto home here.  I take pride in my work and make it a priority to continuing education in real estate.  I assist clients in locating the properties that are most suitable to their individual lifestyles.  I make certain that this important decision is met with nothing but wonderful experiences from all involved parties.  My team at Sixten consists of some of the most knowledgeable and experienced advisors in the business and I am happy to assist in making dreams come true every day!

Francisco Rostro

Real Estate Agent

Your Down to Earth Real Estate Agent

I was born in Mexico City.  My passion is real estate.  As a certified scuba diving instructor, I have spent a significant part of my life working in the ocean and with nature.  Being able to balance both of these passions is a blessing.  I am living the best of both worlds!

Myriam Caire

Real Estate Agent

Client Focused. Results driven

I was born and raised in Mexico City.  I have a degree in hotel and restaurant management.  I spent the last twenty years working in the hotel management profession here in Bahia de Banderas, which is, no doubt, the most gorgeous spot on earth.  Being a real estate agent provides me great satisfaction as I enjoy working with clients, architects, and contractors to make dreams happen every day. 

Claudia Velasco

Real Estate Agent

Unlocking your future, one door at a time

I have a degree in computer science, but my true passion lies in helping others through executive training and business coaching. Born and raised in México City, I’ve witnessed firsthand the dynamic nature of diverse cultures and their significance when it comes to fostering strong relationships with clients. Having this deep understanding allows me to connect on a personal level and tailor my services to your unique needs.

As an experienced executive trainer and business coach, I possess the unique ability to understand your dreams, aspirations, and individual goals.

I am fortunate to have made Puerto Vallarta my home, fulfilling one of my own dreams. I am equipped with the expertise necessary to find your perfect property in this stunning paradise.

I’m excited and ready to be by your side as you embark on your real estate journey. Whether you are buying, selling, or investing, my background in computer science, executive training, and personal experience will provide you with a unique advantage. Let’s work together to make your dreams a reality, right here in Puerto Vallarta!