Keep Your Family Warm and Safe—No Matter What

Technically, yes—there's no code provision banning wood stoves outright, and a building permit through the relevant Monroe County or municipal building department (Key West, Marathon, Islamorada, or the county for unincorporated areas) would apply just as it would for any other install. But almost no local hearth dealers stock wood-burning units for Keys installations, because almost no one asks for one. If you're set on wood, expect a special-order situation with a longer lead time and a dealer who will likely walk you through why gas or electric handles the same ambiance goal with far less maintenance headache in a salt-air, high-humidity environment.

With an average winter low around 63°F and roughly 56 heating degree days a year, there's essentially no heating load to offset. Wood heat earns its keep in places like Fargo, ND or Burlington, VT, where a stove can hold a room through a genuinely cold night. In Monroe County, a wood stove would sit unused nearly the entire year, while collecting salt-air corrosion on any exposed metal chimney components and a masonry chimney exposed to hurricane-force wind loading. Local builders and hearth dealers steer homeowners toward gas or electric fireplaces instead, which deliver the same visual warmth without the maintenance burden.

Gas fireplaces (propane, since natural gas infrastructure is limited through the Keys) and electric fireplaces are the two realistic options locally. Electric units in particular have become popular for ambiance-only installs—no venting, no gas line, no combustion byproducts to worry about in a hurricane-prone, flood-zone-heavy building environment. Gas fireplaces suit homeowners who want real flame and don't mind propane tank logistics. Either option sidesteps the corrosion and moisture problems that come with wood-burning chimneys in a marine climate.

It's limited. There's no commercial firewood supply infrastructure comparable to what you'd find in a wood-heating region, because there's no sustained local demand for it. Some residents source oak, mahogany, or pine from storm-cleanup operations after hurricane season, since fallen hardwoods are common after major storms, but this is opportunistic, not a reliable supply chain. If you're set on an occasional wood fire, expect to plan further ahead than you would in a market where firewood delivery is a standing local business.

In theory a wood stove doesn't need electricity to produce heat, but that's rarely the actual need in Monroe County after a storm—the practical problems post-hurricane are cooling, refrigeration, and water, not heating. A propane gas fireplace or gas stove with no electronic ignition requirement is a more relevant backup consideration for Keys homeowners thinking about storm resilience, since it can still provide light and limited cooking heat without power, without the moisture and smoke management issues a wood-burning unit introduces into a storm-damaged home.

Monroe County's building codes are heavily oriented around wind loading and flood elevation given the hurricane exposure of the Keys—any fireplace installation, wood, gas, or electric, gets evaluated through that lens rather than through air-quality rules common in wood-heavy regions elsewhere. There's no winter-inversion or non-attainment air quality concern here, unlike wood-burning regions out West. The building department for your specific jurisdiction (Key West, Marathon, Islamorada, Layton, or unincorporated county) is the right first call for any permit question, and they'll be far more focused on your structure's wind and flood compliance than on the fuel type you choose.

Not really, and it's worth separating the two decisions. A wood stove or insert may be exactly right for a second property in a cold-climate state, where heating degree days and winter lows justify the investment and the firewood supply chain exists. For the Monroe County property itself, the calculus doesn't change—56 annual heating degree days and 63°F average winter lows mean a wood-burning unit here would be almost entirely decorative, and gas or electric will do that job with less upkeep in the salt-air environment.

No, pellet stoves face the same fundamental mismatch as wood stoves in Monroe County—they're rated not-applicable here for the same reason: there's essentially no heating season to serve. Pellet stoves also require electricity to run the auger and blower, which removes the one theoretical advantage (off-grid operation) that wood has over pellet in an outage scenario. Regional pellet brands like Lignetics, Hamer Pellet Fuel, and Greenway Renewable Energy supply pellet-heavy markets elsewhere in Florida and the Southeast, but there's minimal local retail presence in the Keys because the demand simply isn't there.

Ask directly about salt-air corrosion protection on any metal venting or chimney components, hurricane wind-rating compliance for a masonry chimney structure, and realistic lead times since these are special-order installs rather than stocked inventory. A good local dealer will likely walk you through the gas fireplace alternative first—it delivers real flame with propane fuel and none of the corrosion or firewood-storage issues—before quoting a wood install. If you go forward anyway, get the maintenance plan in writing, since chimney upkeep in a humid marine climate is a different animal than the same unit inland.

Open fireplaces suck—literally. As the fire burns, it consumes air your furnace already paid to heat and pulls it out through the chimney, so the house is actually colder after the fire goes out than before you lit it. An insert fixes this: it seals the chimney, puts fixed glass across the front, and turns that hole in your house into a real heat source.

Fireplaces are like icebergs—bigger behind the wall than in front of it. Replacement means removing the surrounding tile or stone (the finish material laps onto the fireplace face), pulling the old unit, setting the new one in the same enclosure, and re-finishing the wall. A hearth professional can determine what's behind your wall without demolition during an in-home preview.

If you're putting a fire in your house on purpose, it's best to work with an expert. Unless you're genuinely experienced in framing, gas line, vent pipe, and the national code on clearances to combustibles, have a professional do it—and ideally the same company that sells you the fireplace, so warranty, service, and liability all live under one roof.

On average, a fireplace adds back to the home about the same amount you spent installing it. Add the monthly savings from heating the rooms you actually use instead of the whole house—often hundreds of dollars a year—and the value case is strong before you even count what a fire does for how your family uses the room.