Wrought iron
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LiftMaster operatorsFree on-site gate assessment - hinges, posts, and your LiftMaster or Nice gate operator checked before anything is quoted
The assessment is free and the quote is the invoice.
Get your free estimateFast, Reliable Gate Repair Across Key Biscayne
Gate repair in Key Biscayne comes down to one thing most of the time: salt. We work on gates all over Miami, but the corrosion pattern on this island is different, and if you live here, you’ve probably seen it. Hinges seize, boards turn green, slide tracks fill with sand after a storm. Miami Gate Company sends technicians who know exactly what the ocean does to gate hardware between Crandon Boulevard and the bay side, and we fix it at the component level, not by selling you a new gate. Call (833) 570-5807 and describe what your gate is doing. We’ll tell you straight what it likely needs.
Why Miami Gate Company Is Key Biscayne’s Preferred Gate Repair Company
We’re a gate-only shop. We don’t build fences, we don’t hang garage doors, and we don’t split our attention across other trades. Every technician who rolls onto Key Biscayne is trained specifically on gate mechanics and automation, which is why we diagnose faults faster than a generalist. Ruben Castellano built the company around brand-agnostic expertise; we service LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule, and we repair what you have rather than pushing a replacement.
Key Biscayne clients call us because we understand the island’s specific failure modes. Salt-laden wind off the Atlantic pits painted hinges within a couple of seasons. King tides flood below-grade operator vaults along the Crandon corridor. Hurricane debris jams slide tracks and blinds photo-eyes. We stock stainless fasteners, weathertight enclosures, and common boards so we’re not making a second trip out just to fetch parts. When a condo association on the 33149 zip code calls about a dragging swing gate, we already know to check the hinge post footing and the board for corrosion before we even open the cover.
Styles & brands we work with





Iron Gate Repair in Key Biscayne
Iron gate repair in Key Biscayne is a different job than it is inland. The salt air here attacks iron at the fasteners first; you’ll see rust staining running down from hinge bolts and latch hardware while the panel itself still looks passable. By the time a gate starts dragging, it’s often because the hinge pins have seized or the post has shifted, not because the gate is worn out. We repair the actual failure: freeing or replacing seized hinges, welding cracked welds, reinforcing rusted-through stiles, and resetting posts that have moved in the sandy Key Biscayne soil.
Hinge and post rebuilds
Most iron gates on the island swing on painted-steel hinges that were never meant for this environment. We replace them with stainless hinges and stainless hardware, packed with marine-grade lubricant. We also check the post itself; on Key Biscayne, a gate post that has shifted a half inch will throw the whole gate out of square and burn out the operator.
Rust and weld repair
Coastal iron develops pitting fast, especially at the bottom rail where wind-driven salt spray pools. We grind back the corrosion, weld in new steel where the section is compromised, and coat with a corrosion-inhibiting primer before the finish coat. The repair should match your existing color and hold up through several storm seasons.
A typical iron gate repair in Key Biscayne runs $250 to $650 depending on how many hinges and how much weld work is involved. If the post needs to be pulled and reset, expect $400 to $900.
Sliding Gate Repair in Key Biscayne
Sliding gate repair in Key Biscayne usually starts with the track. After any real storm, you get sand and shell debris packed into the rail, and the gate either won’t move or it shudders and trips its own safety circuit. We clear the track, check the rack and pinion for salt-caked wear, adjust the rollers and guide wheels, and then test the limit switches and safety edges so the gate doesn’t reverse onto a car or a person when it closes.
Track and roller systems
Salt film accelerates rack and pinion wear on Key Biscayne slide gates more than any other factor. We inspect the rack teeth for pitting, replace worn rollers that have gone out-of-round, and re-level track sections that settle after heavy rain. The goal is a gate that closes without that grinding sound.
Motor and board diagnostics
A slide gate that opens but won’t close, or trips its breaker, usually has a board or limit switch fault, not a motor problem. We test each component in sequence: power supply, control board, limit switches, then motor. That saves you the cost of buying an operator when all you needed was a limit switch.
Sliding gate repair in Key Biscayne typically runs $200 to $550 for track and roller work, and $300 to $800 when a board or motor component needs replacement.
Trusted Brands We Service in Key Biscayne
We work on virtually any gate system, and that matters on Key Biscayne because the island has a mix of everything: older DoorKing operators on condo entries, Ghost Controls units on newer driveway gates, Mighty Mule and Elite openers on private homes. Our techs are trained across all of them, so we’re not guessing at a brand we rarely see. We keep common boards, photo-eyes, and remote receivers stocked for quick turnaround, and for Key Biscayne specifically we hold extra stainless hardware and weathertight enclosures because we know the corrosion cycle here doesn’t wait. For a wider look at what we cover, visit our Gate Repair page.
Common Gate Repair Problems We See in Key Biscayne Homes
- Seized swing gate hinges: Salt spray works into the hinge pins and starts pitting within a year or two. The gate still looks fine, but the operator is now fighting a stiff hinge and pulling extra current. We replace the hardware before the operator burns out.
- Corroded control boards after king tides: Properties along the Crandon Boulevard corridor sit low, and saltwater pushes into below-grade operator vaults during king tides. The board gets a green fur of corrosion, and then the gate starts failing intermittently for weeks. This specific fault is one inland crews rarely diagnose.
- Sand-packed slide tracks: After a storm blows across the island, fine sand and shell grit pack into the track and blind the safety photocells. The gate stutters or reverses. We clear the track, flush the photo-eyes, and adjust the sensitivity settings.
- Shifted posts in sandy soil: Key Biscayne soil doesn’t hold posts the way limestone-heavy Miami does. Heavy gates on sandy fill pull the post out of plumb, and then the whole gate drags or won’t latch cleanly.
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AfterPricing for Gate Repair in Key Biscayne, FL
Most gate repair calls in Key Biscayne land between $200 and $900 depending on the fault. A simple hinge replacement or photo-eye alignment runs on the lower end. A control board swap or a hinge post reset runs higher. Slide gate track work usually lands between $250 and $600. If you need a full operator replacement, plan for $800 to $2,400 installed depending on brand and gate size. We quote the job before any work starts, and the price you approve is the price you pay. Call (833) 570-5807 for a free estimate; we’ll tell you the real cost, not a vague answer.
We Also Serve Cities Near Key Biscayne
Our work on Key Biscayne brings us across the Rickenbacker Causeway all the time. We also run calls to Coconut Grove, Coral Gables, Miami Beach, and Miami proper. If your gate is acting up anywhere between the bay and the mainland, it’s the same team and the same fix; we just cross the causeway with the right parts on the truck.
Serving Key Biscayne, FL — Our Local Coverage Area
We’re based in the Key Biscayne area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About Gate Repair in Key Biscayne
Salt air and wind-driven salt spray from both the Atlantic and Biscayne Bay get onto the metal and into every seam, and the moisture never really dries out in this humidity. Painted steel hinges and zinc-plated bolts start pitting within one to two years, while the same hardware inland lasts five or more. The fix is stainless fasteners and a corrosion-inhibiting primer on raw steel. Call (833) 570-5807 and we’ll show you exactly what’s rusting and what to use instead.
You’re almost certainly dealing with saltwater intrusion into a below-grade operator, keypad, or loop detector. The water recedes, but it leaves salt film across the contacts and board traces, and the gate fails on and off for weeks as those contacts expand and corrode. This is a known Key Biscayne pattern, especially along the Crandon Boulevard corridor. We pull the board, clean or replace it, and get the enclosure sealed. Call us before you buy a new operator; often the fix is a cleaned board and better weatherproofing.
Check the post first. On Key Biscayne’s sandy soil, the post shifts out of plumb and the gate panel drags, but the panel itself may still be structurally fine. We reset and re-concrete the post, then re-hang the gate with fresh stainless hinges. If the panel’s bottom rail is rusted through, we weld in new steel. We’ll tell you which failure is actually causing the sag before we quote anything.
Yes. Florida code requires a monitored safety device that reverses the gate if something is in the path of travel, and Key Biscayne’s salt film and blown sand make photo-eyes a weak point, so they need to be clean and properly aligned. If your gate reversed without anything in the way, it’s probably a blinded photo-eye. We clean or replace them and reset the sensitivity.
Use stainless steel for all fasteners, hinges, and latch hardware. Galvanized bolts hold up longer than painted steel, but on the oceanfront side even galvanizing burns through in a couple of seasons. For structural steel, we grind to bare metal, weld as needed, and lay on a zinc-rich primer before finishing. Operators need NEMA-rated weathertight enclosures; standard enclosures don’t survive below-grade pads here.
Get Your Key Biscayne Gate Fixed Now
If your gate is dragging, stuck, or simply not behaving the way it should, call Ruben and the team at Miami Gate Company. We know what salt air and storm surges do to gate hardware on this island, and we’ll give you a straight diagnosis and an honest price before we touch a single bolt. Call (833) 570-5807 for a free estimate.
Written by Ruben Castellano, Owner at Miami Gate Company, serving Key Biscayne’s gate repair needs across the island.