- Land/Shallow Water Search
- Diver/Underwater Search
Brent & Sylvie Madison
Cost For My Service
Basic Call-Out Fee: Once you call us, we can give you a verbal quote for our Call-Out Fee. Our Call-Out Fee is based on the item lost, difficulty of the search (i.e. does it require scuba, a boat, etc...?), and travel distance on the Big Island. It includes up to 2 hours of searching once on-site.
Additional Items: If you've lost multiple items (common for more than one ring to slip off, etc...), we charge $150 per extra item in the same search area to our Call-Out Fee.
Optional Reward: If we recover your item, we appreciate a reward based on its value to you and your budget. The reward reflects the recovery, not the time spent.
Payment Methods: We accept Credit Cards, Venmo, PayPal, and more, no matter how remote the location.
Search Types
Beaches: Sandy shores and shallow waters.
Underwater: Using scuba for depths beyond 8 feet.
Private Property: With owner permission.
Location: Serving the entire Big Island of Hawaii.
Search Locations
The Big Island of Hawaii
Brent & Sylvie Madison's Bio
We honed our metal detecting and recovery skills on the beaches of Phuket, Thailand, before establishing Big Island Metal Detecting in Hawaii in 2015. We combine passion and professionalism, studying tides, conditions, and techniques to maximize success. From beachside rings to underwater treasures, we’ve recovered it all with precision and care.
Lost something precious? Don’t wait—call us now at (808) 430-5660 or (808) 430-5563 to recover your treasure
Brent & Sylvie Madison - Recent Blog Post
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The Cross is better than Magic – Epic Lost Crucifix Necklace Recovery at Magic Sands Beach, Kona, Big Island, Hawaii (2025)
Alex called me just before sunset. Visiting from Oahu, he’d be at our local beach, Magic Sands body surfing. While surfing a wave, his heavy gold necklace was sucked up by the wave crashing over him and his 200 gram, 18k gold crucifix and chain were gone. I met Alex at the beach as the […]
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Tennis Anyone? (2024)
TENNIS ANYONE? Randy was visiting from Los Angeles with his extended family. His sister-in-law had lost her bracelet in the sand on a remote beach – Kekaha Kai – on the West coast of the Big Island of Hawaii. After a 4-wheel drive trip to the beach, the family met me in the gravel parking […]
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Detector makes final save before dying! (2024)
I was really happy to have been able to help Liz recover a beautiful diamond ring set in white gold. Her young daughter had earlier asked her why she was so sad – it was only the first day of their vacation on the Big Island – but they’d come to Hawaii for vacation and […]
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Still going strong! (2023)
It’s been some time since we posted our finds online – we’ve been ring-finding all along but got way behind on reporting our ring and treasure recoveries! Here’s a photo of a newly-wed who lost his ring in the water at the Fairmont Orchid Hotel, Waikoloa Beach, Hawaii. He’d been married for 2 days…Thankfully he […]
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Kind testimonial from client for Big Island Metal Detecting (2019)
AMAZING does not even begin to describe this couple! I lost my engagement ring and wedding band while playing football with my family at Hapuna Beach one night. I was inconsolable to say the least! We searched the water for a couple hours until night fell and I began to give up hope. Then my […]
Brent & Sylvie Madison - Testimonials
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Brent turned the lowest moment of our honeymoon into a story we will never forget. (2017)
My wife and I were on our honeymoon on the Big Island in early 2017. We were having an amazing time until we stopped at a beach in Hilo. After a few minutes of swimming near turtles I realized I had lost my wedding ring.
I was in a state of shock. The gold ring was a family heirloom. My mother had given my father the ring when they married over 40 years ago. I couldn’t believe it was now lost in the ocean just three months after my wedding.
For over an hour I attempted to find it but I eventually gave up. I had lost hope. But that’s when I found out my wife had a plan. When I got out of the water she was already on the phone with Brent at Big Island Metal Detecting.
I was sure the ring was lost for good, but Brent convinced us he could help find it. Since it was so late in the day we agreed to meet at the beach early the next morning. Brent drove across the island from Kona to meet us at 6:30 a.m.
By 7 a.m. the ring was back on my finger! Brent was able to locate the ring even though it was buried in sand in water over six feet deep. Brent turned the lowest moment of our honeymoon into a story we will never forget. We then all celebrated with an early breakfast in town. We had found the ring and made a new friend. Thank you so much Brent.
- Mike from Brooklyn
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We are so blessed - these peaople were so kind and just the greatest! Thank you such Brent and Sylvie!!" (2015)
"Yesterday morning Sergey and I were taking pictures and he lost his ring, it just fell right off an we panicked. Looking for it all day we lost hope. Called ‪#bigislandmetaldetcting‬, 5 hours later with these guys we got our ring back! Sergey dug it up in the place we thought it would be. It was dislodged under a rock about a foot and a half in the sand! We are so blessed - these peaople were so kind and just the greatest! Thank you such Brent and Sylvie!!"
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Who knew there are people who specialize in finding lost rings! (2015)
Hello,
I still can't believe I lost the ring exactly a year after I received it, at the exact spot! We spent our romantic evening digging through sand (and crying) thinking the ring was swept by the wave.The next morning we came back to look some more hoping it will magically reappear, but yet again no luck. In times of despair, we considered buying our own metal detector, but we are soooo glad we decided to call Brent and Sylvie instead. Who knew there are people who specialize in finding lost rings!
Brent and Sylvie are very sweet, fair and genuine. Brent went fast to work without even asking for the money upfront. I was warned not to get my hopes up if he finds something fast because most of the time it will be junk. Brent took the first scoop of sand out and I turned away because I did not want to see what "junk" object he found. I did not hear anything so I turned back and looked at Brent; he smiled and gestured for me to come look into the silver bucket. It was my ring!
I spent the night thinking I will never find my ring, so it was a very joyful moment for all of us. Brent and Sylvie were very happy for us which made it even more special!
Thank you Brent and Sylvie, 5 stars for you!
Martyna M.
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