Welcome to
CastleKey Mortgages
Mortgage brokers providing home & commercial loans in Surfers Paradise, Broadbeach, Southport and beyond.
PH: 0412 979 871
Whether you’re buying your first home, refinancing, or building your investment portfolio, we’ll help you.
At CastleKey Mortgages, we believe every home represents more than bricks and mortar – it’s a fresh start, a new chapter, and a foundation for your future. Our mission is simple: to put the keys to new beginnings in your hands.
Based in Queensland’s Gold Coast, we know that finding the right home loan can feel overwhelming, but that’s why we’re here. With expert guidance, personalised solutions, and a commitment to walking with you every step of the way, we make the process clear, stress-free, and tailored to your needs.
Our featured services
Get specialised guidance from CastleKey Mortgages on the Gold Coast
Our other featured services
We offer so much more than just home loans
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Our 50+ lenders
With access to over 50 lending partners, we are committed to finding a loan that perfectly fits your unique needs.



















What our customers have to say
Customer testimonials

I had my loan approved in a matter of days.
“I recently purchased my second property and Matt was my broker. In the past, I’ve dealt with brokers who were slow to respond and made me feel like just another number. Matt was the complete opposite. He was very responsive and explained everything in terms I could easily understand. His customer service was outstanding and the turnaround was incredibly quick, I had my loan approved in a matter of days.”
Nicole

The team is genuine, knowledgeable, and takes the time to explain everything clearly.
“Just started speaking to KeyStart Mortgages about my refinance and I’m really impressed. The team is genuine, knowledgeable, and takes the time to explain everything clearly. They’re friendly, responsive, and truly care about getting the best outcome for their clients. Highly recommend them for anyone looking to refinance or get mortgage advice.”
Sachin

Would absolutely recommend Matt to anyone wanting a simple and professional experience.
“Matt is an incredibly experienced guy. His knowledge on financial lending institutions and the processes lenders go through make him an asset to any new or experienced home buyer. He’s a hard worker that always has his clients front of mind. Would absolutely recommend Matt to anyone wanting a simple and professional experience, coupled with his warm personality and great humour!”
Hayley

Matthew is extremely experienced and well versed in his role.
“Matthew is extremely experienced and well versed in his role he has been of great assistance and could not recommend him highly enough!”
Luke

Matt made the process simple and stress-free.
“I’d highly recommend CastleKey Mortgages. Matt made the process simple and stress-free, and was always available to answer my questions (and there were a few!) I was really happy with the outcome, and really recommend having a chat with them.”
Lana

Professional and experienced mortgage brokers.
“Professional and experienced mortgage brokers. Matthew was able to provide fantastic insight into the best mortgage options for us and helped to us save money on our existing loan. Thanks Matthew for your support the whole way through, we highly recommend CastleKey Mortgages!”
Kate

Ready to secure your dream property?
Talk to Us
Keen to lock in your dream home? From cutting through the red tape to nabbing cracking rates, we’re here to make the whole home loan process a breeze. You can count on us to keep things simple and back you every step of the way.
Here’s how easy it is: 1) Give our friendly team a buzz 2) Fill out a quick, no-fuss form 3) We’ll tee up the best loan options tailored to your unique situation
Ready to get started? Let’s make it happen!











