About Us

  • Mark Castagna, Broker

    Image of Mark Castagna

    A licensed Broker in Florida, Georgia and North Carolina, Mark is a terrific team manager with his sense of customer satisfaction being the driving focus for him and his team. Ranked in the top 1% nation wide, Mark is the person to ask when it comes to market trends, and he will assist you in pricing your home for success.

    Mark has been certified as an advanced Distressed Property Expert (CDPE), C-REPS (National Association of Broker Price Opinion Professionals) and a certified Investor Agent Specialist (CIAS) in addition to holding the Short Sales and Foreclosure Resource (SFR) designation.

    He is a RESNET REO certified agent and has Platinum REO and Short Sale certifications with Equator.  Mark is a member of NAR, FAR, PRO, CDPE, CIAS, and NABPOP.  He is a graduate of LeMoyne College, Syracuse, N.Y., with a Bachelor of Science degree in Accounting.


  • Diane Boake, Sales Associate – Realtor

    Image of Diane Boake

    Diane’s clients never have to ask the question, “What have you done for me lately?” That’s because they see results every day. Diane has been a resident of St. Petersburg since 1990. With a background in customer service, Diane always puts her clients first.  She has been certified as a Distressed Property Expert (CDPE), and Investor Agent Specialist (CIAS) in addition to holding the Short Sales and Foreclosure Resource (SFR) designation.  She is also a member of the Women’s Council of Realtors and has completed training as a Senior Real Estate Specialist(SRS).  Her passion for the business makes it easy for her to make a full-time commitment to her clients. By combining market knowledge along with personal one-on-one attention, Diane will listen to all your needs and provide a personalized plan to help make your dreams come true.  Diane is a member of NAR, FAR, PRO, CDPE, CIAS and the Star Power Club


    Photo of Mark Castagna Real Estate
    Mark Castagna & Diane Boake
    5363 Central Ave

    St. Petersburg FL 33710

    email:  Info@CallWatersEdge.com

    Tel (727) 346-1907

    Fax: (888) 482-1177