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Business Details
30 Years
experience
Trusted Miami Beach Real Estate Agents
Ocean International Realty is a boutique real estate firm based in Miami Beach, Florida, specializing in oceanfront properties and coastal living. Founded on principles of professionalism, experience, integrity, and trust, we operate as Single Agents, providing fiduciary representation to our clients. Our team, led by Ralph De Martino and Aura Cecilia Rengifo, brings over 60 years of combined experience in the real estate industry, serving the greater Miami area and beyond. We prioritize client interests through full disclosure, loyalty, and confidentiality, distinguishing ourselves from transaction brokers who lack these obligations. Our expertise spans luxury waterfront condos, single-family homes, and investment properties, supported by innovative marketing strategies and a global network.

We offer tailored services for sellers, buyers, and relocators, ensuring stress-free transactions with constant communication. Our accolades include being voted Best Boutique Real Estate Company in Miami Beach and recognition for top-tier sales performance and ethical standards. We maintain memberships in prestigious organizations like the Master Brokers Forum and Florida Realtors, while our agents hold advanced certifications such as Certified Residential Specialist (CRS) and Resort & Second Home Property Specialist (RSPS). Our commitment to excellence is reflected in client testimonials praising our competence, professionalism, and personalized approach.
Services
Selling Services Buying Services Relocation Services Luxury Properties Marketing Strategies
Details
  • Year established: 1996
Highlights and features
  • We operate as fiduciary Single Agents with full disclosure obligations to clients.
  • Our team holds advanced certifications including Certified Residential Specialist (CRS).
  • Over 60 years of combined experience in Miami's luxury real estate market.
  • Recognized as Miami's Best Boutique Real Estate Company by the Miami Sun Post.
  • Global network for international property transactions and relocation services.
Associations and certifications
  • CRS
  • GRI
  • TRC
  • RSPS
  • Master Brokers Forum
What people say
Excellent job Helpful and responsive Extremely competent Trustworthy and competent Smooth transaction
Services
Selling Services
Our selling services combine local market expertise with modern marketing techniques to maximize property value. We provide professional photography, 3D virtual tours, and global MLS distribution to attract qualified buyers. Our fiduciary representation ensures your interests come first during negotiations and closing processes.
Buying Services
We guide buyers through Miami's competitive real estate market with personalized search strategies and market insights. Our IDX website offers advanced search tools for luxury properties, while our concierge service identifies off-market opportunities. We negotiate optimal terms while maintaining client confidentiality.
Relocation Services
Specialized relocation services help clients transition to South Florida with comprehensive support. We provide neighborhood guidance, school information, and contractor recommendations. Our global network assists international buyers with cultural and logistical challenges during property transactions.
Luxury Properties
We specialize in Miami's luxury waterfront market with expertise in oceanfront condos and estates. Our marketing strategies target affluent buyers through international networks and premium listings. We handle complex transactions involving investment properties and multi-million-dollar assets.
Marketing Strategies
Our marketing combines digital innovation with traditional methods for maximum exposure. Services include drone videography, social media campaigns, print advertising, and targeted email marketing. We create customized plans to highlight each property's unique features to local and international audiences.
People
Ralph E. De Martino
Broker / President
With 35+ years in real estate, Ralph founded Ocean International Realty and serves on the Master Brokers Forum. He's held leadership roles with Florida Realtors and NAR, earned top sales awards, and teaches real estate at the University of Kentucky.
Aura Cecilia Rengifo
Broker
Aura brings 20+ years of international business experience to real estate. She holds a Master of Public Policy from the University of Houston and speaks fluent Spanish and French. Her background includes corporate roles with global companies like Cisneros Group.
Questions
What makes Ocean International Realty different from other Miami real estate firms?
We operate as fiduciary Single Agents with full disclosure obligations to clients, unlike most transaction brokers. Our team has 60+ years combined experience and holds advanced certifications like CRS and RSPS.
Do you specialize in specific property types?
We specialize in luxury waterfront properties including oceanfront condos, single-family homes, and investment properties across Miami's premium neighborhoods like Bal Harbour and Fisher Island.
How do you market properties internationally?
Our marketing combines MLS listings with global syndication through international affiliates, multilingual listings, and targeted campaigns on platforms like Zillow and Realtor.com to reach global buyers.
What services do you offer for first-time buyers?
We provide personalized guidance through the buying process, including neighborhood selection, mortgage pre-qualification assistance, and negotiation of optimal purchase terms while maintaining full client confidentiality.
How can I get an accurate valuation for my Miami property?
Contact us for a free consultation where we'll analyze current market trends, comparable sales, and your property's unique features to provide a precise valuation and marketing strategy.
Reviews (4)
Joao Canto
Nov 06, 2020 Report
Positive:Professionalism,Quality,Responsiveness,Value
We've done two transactions with Ocean Int'l Realty in the past years and it's been nothing but a pleasure working with Ralph and his team - we highly recommend them.
Wendy Evans
Sep 17, 2020 Report
Positive:Professionalism,Quality,Responsiveness,Value
These realtors know all there is to know about Miami Beach. They did an excellent job selling our apartment, made sure everything went smoothly. Helpful and responsive.
Raf Oripoto Isa
Jun 10, 2020 Report
Positive:Professionalism
The agents we chose, Ralph De Matino & Aura Rengifo were excelent. Great in giving us feedbacks on different properties and walking us through the purchase and process of paperwork and achiving the best deal for us. Thank you guys!!!!!
Ana and Rafael Isava
Madelyn Miranda
Sep 12, 2017 Report
We have worked with Ralph and his staff for many years. He sold us our first condo on the beach, my parents' home, and just recently an investment property. He and his team are not only extremely competent, professional, and knowledgeable, they are kind, warm, and honest people. That combination of trustworthiness and competence is difficult to find at times in this profession. This is why we have sought their services over the years and recommend them wholeheartedly.