How to Set Up a Leopard Gecko Habitat (Tank, Heating, Three Hides)

A leopard gecko lives its whole life on the floor, so the enclosure is chosen for footprint before anything else. REPTI ZOO documents that 50-gallon glass terrarium with convertible side mesh and side glass, a double hinge front door, and tempered glass throughout. The length is the point: a gecko needs room to move between a warm end and a cool end, and a long tank spreads that gradient out where a tall one only stacks empty air above the animal.

Where it fits the setup: this is the shell, set up and dialed in before the gecko arrives, and every other pick installs into it. The convertible side panels earn their place for a leopard gecko specifically — swapping mesh for glass on the cool end lets a keeper hold a little humidity near the moist hide without turning the whole tank into a swamp, and the front door means reaching in low, at eye level with a floor animal, rather than looming down through a top like a predator. Floor length also decides how far apart the hides can sit, which is what makes the temperature gradient usable.

The honest caveats are about material, size, and what a bare tank still is not. Glass sheds heat and humidity faster than PVC, so the heating and the panel choices below have to do a little more work to hold a stable warm surface. A tank this long needs the shelf or stand space to match, and a hatchling can feel exposed in a large empty box until it is furnished with cover. And an empty terrarium is only a container until the heat, the gauges, the hides, and the floor go in — which is the rest of this build. To weigh full kits and tank sizes against one another, our roundup of the best leopard gecko tank kits lays out the options.

Heat for a leopard gecko comes from above and lands on a surface, not from a bright bulb the animal basks under. The Exo Terra halogen does exactly that — Exo Terra documents a broad-spectrum daylight halogen with enhanced infrared for superior heat penetration, and pointed at a flat stone it warms the surface a gecko presses its belly to. That belly contact is how the animal actually takes in heat to digest, which is why the keeping consensus has shifted toward an overhead halogen warming a basking rock and away from the under-tank mat that used to be the default.

Where it fits the setup: this establishes the warm end of the gradient, over the warm hide, aiming for a basking surface around 88 to 92 degrees while the far end of the tank stays in the low 70s and drops into the high 60s at night. A leopard gecko is crepuscular, not a sun-basking desert lizard, so the goal is a warm patch it visits to digest rather than a bright hot zone it lives under — the halogen is a heater with useful daylight, not a display light. The cool end is left cool on purpose, because a gecko with nowhere to retreat cannot regulate itself.

The honest caveats are about regulation, coverage, and lifespan. A halogen must never run straight to the wall — an unregulated bulb can climb well past a safe surface temperature and burn the animal, which is what the next pick exists to prevent. It warms one end only, so it is positioned to build a gradient rather than heat the whole tank, and every temperature is read at the surface the gecko touches rather than assumed from the wattage. Bulbs also dim as they age and get replaced on a schedule. To size a fixture and bulb to a specific tank, our roundup of the best reptile heat lamps and basking fixtures compares the options.

Nothing in the setup matters more for safety than the device that sits between the heat source and the wall. The Exo Terra thermostat is that device — Exo Terra documents a proportional dimming and pulse unit that controls temperatures accurately from 64 to 100 degrees with a waterproof remote probe. A proportional thermostat does not simply switch the heater on and off; it dims it toward a target, so the basking surface holds steady instead of spiking and crashing, which is exactly the stability a small animal lying on that surface needs.

Where it fits the setup: the probe goes at the warm surface the gecko actually contacts, and the thermostat holds that surface at target and eases the halogen down as it approaches. The gradient the lamp creates is only safe because this caps it — without it, the same bulb that warms a stone to a comfortable basking temperature can, on a hot day or in a warm room, climb to a surface that burns. It is the one pick that protects the animal from the rest of the equipment, which is why it is treated as mandatory rather than optional.

The honest caveats are about placement, cost, and trust. The reading is only as good as where the probe sits, so it goes at the exact surface the gecko uses and is verified against a separate gauge rather than trusted blind. A proportional thermostat adds meaningful cost to a first build, which tempts beginners to skip it — the wrong economy, because a burn is far more expensive than the controller. And a thermostat can fail, so the enclosure is watched rather than set and forgotten. To compare control types and safety features, our roundup of the best reptile thermostats lays them out.

A gradient that is never measured is a gradient the keeper only assumes exists. The Govee gauge is the cheapest insurance against that assumption — Govee documents a smart hygrometer and thermometer with a Swiss-made sensor and an app that graphs temperature and humidity over time. For a leopard gecko, whose whole health rides on a warm end, a cool end, and moderate humidity, a logged reading is what turns "it feels about right" into a number a keeper can act on.

Where it fits the setup: this verifies everything else. Ideally a gauge reads the cool end while the thermostat probe holds the warm surface, so the actual spread across the tank is confirmed rather than hoped for, and the humidity near the moist hide is watched during a shed. Because the unit logs over time, it catches the slow drifts a spot-check misses — a warm end creeping up as a summer room heats, or humidity sliding low enough to threaten a clean shed. At this price a keeper can run more than one and read both ends at once.

The honest caveats are about accuracy, placement, and what a gauge does not do. Inexpensive sensors drift, so they are cross-checked against each other or against a probe thermometer at the surfaces that matter. One unit in one corner does not describe a whole gradient — reading both ends beats trusting a single number. And a gauge only reports: it tells a keeper the warm end is too hot or the air too dry, and then the thermostat, the panels, and the moist hide are what get adjusted. To compare digital probes and dial gauges, our roundup of the best reptile hygrometers and thermometers covers the field.

Of the three hides a leopard gecko needs, the moist one does a job the other two cannot. Exo Terra documents a naturalistic gecko cave that provides a secure retreat and a cooler microclimate, and notes that adding forest or Sphagnum moss inside brings the moisture that helps a resting animal settle. Packed with damp moss, it becomes the humid pocket a gecko ducks into when it is ready to shed — a locally moist spot inside an otherwise moderate-humidity tank.

Where it fits the setup: this is placed on the cooler half, near a gauge, and kept lightly damp so the gecko has somewhere to soften its skin before a shed. A leopard gecko sheds in one piece when it can, and the moist hide is what makes that possible; without it, skin dries and sticks, and the thin skin on the toes and around the eyes is where a bad shed does real harm. This single hide is the difference between a routine shed and a keeper soaking a gecko to rescue a trapped toe.

The honest caveats are about hygiene, size, and scope. Damp moss left too long grows mold, so it is refreshed regularly rather than topped up forever. A cave too large does not give the enclosed, walls-on-all-sides feeling a gecko wants, so it is matched to the animal. And a moist hide is one of three — it covers shedding, but the warm and cool hides that follow cover the security a gecko needs at each end of the gradient, and all three work together.

Two more hides finish the trio, one at each end of the temperature range. The Gondola Geckos box is a plain, snug matte-plastic hide — the maker describes a comfortable, secure space for a small reptile to rest and hide — and the reason to buy two is the core of leopard-gecko security: the animal wants an enclosed place to tuck into whether it is choosing warmth or choosing cool. A warm hide sits over the basking surface, a cool hide sits at the far end, and the gecko moves between them as its temperature needs change.

Where it fits the setup: these go in once the gradient is set, so each hide can be placed at a known temperature rather than guessed. The matched pair matters. If only the warm end has a snug hide and the cool end is open, a gecko is forced to trade security for temperature and will often sit too warm because it feels safer there — one of the quiet husbandry mistakes that stresses an animal without an obvious cause. Two snug hides at both ends remove that trade entirely, which is why a bare tank with a single open cave is a classic beginner setup that quietly shortchanges the gecko.

The honest caveats are about sizing, looks, and cost. These are sized for small and juvenile geckos, so a full-grown adult needs the larger equivalent — a hide should be snug enough that the gecko touches the walls, not cavernous. The plain plastic look does not please every keeper, and because security calls for a matched pair, the low unit price is really doubled. None of that changes the job: a warm hide and a cool hide, both snug, are non-negotiable alongside the moist one.

No single topic in leopard-gecko keeping starts more arguments than what goes on the floor. Zoo Med documents an all-natural burrowing clay with no dyes or chemicals that holds its shape so tunnels will not collapse, which is what a naturalistic floor is meant to allow — a gecko digging and reshaping a burrow the way it would in the wild. Packed damp and allowed to set, it gives a solid, diggable surface rather than the loose grit that gets swallowed with prey.

Where it fits the setup: this is the adult, advanced-tier floor, and the honesty about substrate is more important than the product. The safe beginner floor is paper towel or tile — nothing loose, nothing that can be ingested — and that is where a new keeper, a juvenile, or any gecko that is not confirmed healthy should start. A naturalistic clay floor suits a grown, healthy gecko in a tank whose temperatures are correct enough to digest well, because impaction risk climbs when an animal eats substrate while too cool to process food. Presented in that order, the clay is a graduation, not a starting point.

The honest caveats are the whole reason this pick sits low and carries a warning. It is the wrong floor for a juvenile or an unwell gecko, which belong on paper towel until proven otherwise. It depends on correct temperatures to be used safely, since a cool gecko that ingests any substrate is the impaction case keepers dread. And it is heavier and messier to install and change than paper towel. The one thing the whole community agrees on is the thing to remember: calcium sand is never the answer, whatever its packaging claims.

Feeding a leopard gecko is simple in outline — live insects, dusted — and the dusting is where this last item earns its place. Repashy documents an all-in-one supplement listing calcium at a minimum of 20 percent and vitamin D at 20,000 IU per pound, meant to coat feeder insects rather than sit in a dish. In practice a keeper drops crickets or dubia roaches into a bag or cup, adds a pinch of the powder, and shakes so the insects go in lightly coated.

Where it fits the setup: this is the diet's insurance, and it matters most in a build without UVB. A leopard gecko taking dusted insects gets the calcium its body needs and, from the D3 in an all-in-one supplement, the means to use that calcium — which is precisely the pathway UVB would otherwise support. An all-in-one product is chosen so the routine stays a single step rather than juggling separate calcium, D3, and multivitamin pots, which is how beginners end up either under- or over-supplementing.

The honest caveats are about scope and balance, stated as husbandry rather than medicine. Dusting supports a diet; it does not replace appropriate, gut-loaded feeder insects, and no powder rescues a poor feeding routine. More is not better — over-supplementing D3 carries its own risks, so an all-in-one is used at the labeled routine rather than piled on. And it is a dusting powder by design: it coats the insects and is not left out as a free-choice dish. Used that way, it closes the loop on a diet that a heat lamp and a tank cannot feed.