Welcome to ISAN Insurance Group
Your trusted source for comprehensive insurance solutions in Brownsville, Texas. We proudly serve our community with expert guidance and personalized plans to protect what matters most to you and your family.
Sandra Isela Martinez
Founder & Owner, ISAN Insurance Group
“Helping people protect what matters most isn't just my profession — it's my purpose. After 20 years in this industry, I still get up every day excited to guide families and fellow agents toward the coverage and confidence they deserve.”
With over 20 years of experience in the insurance industry, Sandra has built ISAN Insurance Group on a foundation of trust, integrity, and genuine care. Her mission goes beyond serving clients — she also mentors and supports fellow agents across the Rio Grande Valley, sharing her expertise so more families can be protected.
Sandra's bilingual, hands-on approach has earned her the loyalty of thousands of clients who rely on her guidance year after year for Medicare, health, life, and supplemental coverage.
Local roots. Lifelong relationships.
Located at 247 Suite A, N Expressway, Brownsville, TX 78521, our family-owned agency has been a pillar of the Rio Grande Valley insurance community. We believe insurance isn't just about policies — it's about people. Every plan we recommend is built around your family, your goals, and your peace of mind.
Our bilingual team works with the country's top carriers to bring you transparent advice, fair pricing, and year-round support — no obligation, ever.
What we stand for
Care
Treating every client like family.
Trust
Honest advice, always.
Community
Proudly serving the RGV.
Excellence
Top carriers, top service.
Ready to protect what matters most?
Speak with a licensed agent today and get a personalized quote — no obligation.