Voted the “Best Boutique Real Estate Company in Miami Beach” by the Miami Sun Post, the husband-and-wife team of single agent realtors, Ralph De Martino and Aura Cecilia Rengifo, have over 45 years of combined experience in the real estate industry.  Specializing in oceanfront properties and coastal living, they serve the greater Miami area and beyond.  Single agents known for their business acumen, the teams work ethic is led by honesty, loyalty, and integrity.  For Ralph and Aura Cecilia, clientsinterests always come first.  

Ralph De Martinos successful real estate career spans two and a half decades.  Broker and President of Ocean International Realty and is on the Board and a member of the highly-acclaimed Master Brokers Forum comprised of the top 1% of Miamis Realtors, his reputation for the highest standards of professionalism, ethics, and service has placed him at the top of his field.  His leadership boasts an impeccable track record: State Director for Florida Realtors since 2001, Ralph also served as the 2011 President of the now 40,000-member Miami Association of Realtors and as a Director for the National Association of Realtors.  A member of the Florida Bar Grievance Committee and the Florida Resort and Second Home Property Forum, Ralph has received numerous awards and distinctions over his career, including being ranked in the top two percent nationwide for sales volume, the Florida Realtors Honor Society (2002), and the Realtor Association of Greater Miami and the Beaches Honor Society (2009).  In addition, he was recognized by the Miami Sun Post as the “Best Vacation and Second Home Broker” in Miami.  A Miami Beach resident since 1996, Ralph lives with his wife Aura Cecilia.

Aura Cecilia Rengifo enjoyed a successful career in international business development, international relations, and academia across Latin America, Europe, and China for over 20 years before becoming a single agent broker about a decade ago.  A skilled negotiator with a comprehensive understanding of business, cultures, and currencies, Aura Cecilias professional experience affords her an investors view of the real estate industry.  With a B.S. in International Studies from Universidad Central de Venezuela and a Master of Public Policy degree from University of Houston, Aura Cecilia is multilingual, speaking fluent English and Spanish as well as basic French and Portuguese.  She currently sits on the Board of Directors of Florida Realtors and the Miami Association of Realtors Grievance Committee.  A Miami Beach resident since 1999, Aura Cecilia lives with her husband Ralph.

Ralph De Martino

Member of the highly acclaimed Master Brokers Forum – Top 1%

2011 Residential President for the Miami Association of Realtors – The largest in the U.S.

State Director –The Florida REALTORS, Since 2001.

Director for the National Association of REALTORS - 2005 and 2011

Over 25 years in Real Estate


Broker / President of Ocean International Realty – Voted “BEST BOUTIQUE REAL ESTATE COMPANY IN MIAMI BEACH”

Member OF THE Florida Resort and Second Home Property Forum

Member of the Florida Bar Grievance Committee



CRS – Certified Residential Specialist

GRI – Graduate of the REALTORS Institute

RSPS – Resort & Second Home Property Specialist



REO Specialist

Transnational Referral Certification (TRC)

International Property Specialist

Signature Property Specialist

Community Commercial Specialist

Relocation Home Marketing Specialist

Relocation Home Finding Specialist

Miami–Dade County Marketing Specialist



Honors and Awards

Advisory Board Member of the Master Brokers Forum

2009 Realtors Association of Greater Miami and the Beaches Honor Society

2002 Florida Association of REALTORS Honor Society

1993 REALTOR of the Year

1992 REALTOR Board President

1995 Ranked #1 in Closed Units Statewide for Prudential Real Estate Affiliates in Kentucky

1995 Ranked #1 in Sales Volume Statewide for Prudential Real Estate Affiliates in Kentucky

Adjunct Professor in Real Estate for the University of Kentucky College System 1988-1996

Past Member of the National Real Estate Educators Association

Past President of the Kentucky Real Estate Educators Association

Kiwanis Club of Miami Beach Past President

Lions Club Past President


Aurace Rengifo

Extensive experience with Luxury Water Front Condos and Single Family Homes

Ranked High in Customer Service and Client Advocacy

Speaks Fluent Spanish, Level 2 French and Basic Portuguese

Highly Skilled Negotiator

Past President for Global Crossing - Andean Region

Vice President, Business Development and Board of Directors for Cisneros Group of Companies – Venezuela

Government Relations Director – AT&T - Venezuela and Andean Region

Governmental Trade Negotiator – Venezuela

Masters Degree in Public Policy – University of Houston

Bachelors Degree, International Studies – Universidad Central de Venezuela

Public Policy Studies, Universite Catolique de Louvain, Belgium




Ralph E. De Martino -- Aura Cecilia Rengifo ,
Ocean International Realty
5151 Collins Ave., Suite 227
Miami Beach, FL 33140

Phone 305.695.1105
Fax 305.328.4690