🐢 How to Set Up a Tortoise Enclosure (Use a Table, Not a Tank)

A pet tortoise is a gentle, grazing, long-lived companion, and the best home for one is an open-topped tortoise table or large pen — not a glass tank. This is the setup decision families get wrong most often. Glass tanks are usually too small, they trap stale, humid air around a dry-land animal, and the see-through walls confuse a tortoise, who will pace and paw at a barrier it cannot understand. An open floor plan solves all three problems at once, so start there and everything else falls into place.

Why a table, not a tank

A tortoise table is an open-topped enclosure with solid, opaque sides. It gives your tortoise fresh air instead of trapped humidity, walls it can actually see and respect, and — most importantly — maximum floor space to walk and graze. Tortoises need room to roam far more than they need height, so prioritize the largest floor area you can reasonably give. When in doubt, bigger is always better; a cramped tortoise is a stressed, less active tortoise.

Heat, light, and UVB

Tortoises need both warmth and proper lighting to stay healthy. Set up a basking spot of about 95–100°F at one end and leave the other end cooler, so your tortoise can move between the two to regulate its temperature. Just as important is a strong T5 HO UVB light running the length of the enclosure. UVB lets a tortoise make vitamin D3 and use calcium properly. Without enough UVB and dietary calcium, bones and shell grow weak, so treat good lighting as core equipment, not an extra. Air that stays bone-dry causes a different problem: a youngster grown in very dry air can come up in lumps and bumps, which keepers call pyramiding, so give a growing tortoise a damp hide to tuck into.

What goes inside

Add a layer of appropriate substrate for your species so your tortoise can walk comfortably and dig a little. Include at least one hide where it can retreat and feel secure, and set out a shallow water dish it can climb into to soak. Tortoises absorb water and often drink while soaking, so keep the dish clean and shallow enough for an easy, safe exit. Arrange the hide toward the cooler end so your tortoise has a snug, shaded spot away from the basking heat.

Feeding

Most tortoises are mostly herbivores, and a good diet is built on grasses, edible weeds, and leafy greens. The exact plants depend on your species, so always check what is right for the tortoise you are keeping. One rule holds broadly: avoid too much fruit, which is too sugary for most tortoises and can upset digestion. Alongside good food and UVB, many keepers offer a calcium source to support that strong, smooth shell. Feed a varied, fibrous, plant-based diet and your tortoise will thrive.

Outdoor time and the long commitment

When the weather suits your species, supervised outdoor time in a secure, predator-proof pen is wonderful for a tortoise. Real grazing and genuine natural sunlight are hard to beat, but the pen must keep your tortoise in and predators — including neighborhood cats, dogs, and birds — firmly out, and shade and water should always be available. One more thing to plan for honestly: tortoises are a decades-long commitment, often outliving the childhood of the kids who first fall in love with them. That is part of the joy, but it is a promise worth making with open eyes.

Quick setup checklist

• An open-topped tortoise table or large pen with the most floor space you can give (never a glass tank)
• A basking spot of 95–100°F at one end, cooler at the other
• A strong T5 HO UVB light plus dietary calcium for strong bones, and a damp hide for a growing tortoise so its shell does not pyramid
• Species-appropriate substrate and at least one hide
• A shallow water dish it can climb into to soak
• A mostly-herbivore diet of grasses, weeds, and leafy greens; go easy on fruit
• A secure, predator-proof outdoor pen for supervised grazing and natural sun

Because a tortoise is such a long-term family member, it is worth thinking the choice through first with our guide to choosing a pet, or take our free pet quiz to see how it compares with other reptiles.

🛒 Recommended supplies

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🧽 Cleaning & maintenance

Spot-clean daily: remove droppings, shed skin, and uneaten feeder insects as soon as you see them, and refresh the water dish. Wipe the glass and disinfect the food and water bowls weekly. Every month or two do a deeper clean — replace or sift the substrate and scrub the enclosure and décor with a reptile-safe disinfectant (such as diluted chlorhexidine or an F10 solution), rinsing and drying fully before the tortoise goes back in. Avoid household disinfectants and strong fumes, which can be toxic to reptiles, and always wash your hands after cleaning to prevent germs like salmonella.

Cleaning supplies for this habitat. Affiliate links — we may earn a commission. The $/$$/$$$ badges are a rough budget guide, not live prices.

⚠️ Common tortoise setup mistakes

Already have one and something feels off? Start here. These catch almost everybody — none of them mean you have done badly, and every one of them is fixable.

Is my tortoise enclosure too small?

The mistake: Keeping a tortoise in a glass tank.

A tank is built for depth of water, not floor space, so even a big one leaves a tortoise almost nowhere to walk. Clear walls don't read as walls either — tortoises pace and paw at the glass for hours — and the enclosed sides trap stale, damp air, which is why tank-kept tortoises so often end up with runny noses and shell infections.

Try this: Move it into an open-topped tortoise table. The cheap version is a shallow wooden box, or a large plastic storage tub with the lid left off and solid sides it can actually see — go for the biggest floor area you can fit in the room. In warm weather a secure outdoor pen is better still, and costs next to nothing.

Why is my tortoise's shell growing bumpy?

The mistake: Raising a young tortoise in bone-dry air.

Those raised, pyramid-shaped scutes come mostly from dry air while the shell is growing, not from overfeeding, which is what most keepers get told first. A scute that grew up in a lump keeps that shape for life, though new growth can still come in smooth.

Try this: Give a growing tortoise a humid hide: a plastic tub with a doorway cut in it, packed with damp sphagnum moss or coir and re-dampened daily. Soak a youngster in shallow warm water a few times a week as well, and keep feeding it properly — cutting the food back doesn't fix pyramiding, it just leaves the tortoise short.

Does my tortoise get UVB from a sunny window?

The mistake: Relying on sun through a window for UVB.

Window glass blocks all UVB and most clear plastic does too, and the sunbeam is genuinely warm, which is what makes this one so easy to be caught by. Without UVB a tortoise can't use the calcium in its food, and the shell and bones go soft.

Try this: Indoors, use a T5 HO UVB tube at the distance printed on the box, with nothing between the tube and the tortoise. Mark the fitting date on it and change it about once a year, because it keeps lighting up long after the UVB has faded. Real outdoor time in a secure pen is the free version, and better than any bulb.

Can two tortoises live in the same enclosure?

The mistake: Housing two tortoises in one table.

Tortoises don't want company, and in a shared table one usually rams and bites the other and blocks it away from the basking lamp and the food. Mixing species is worse — they need different climates and diets, and each can carry bugs that are harmless to itself but deadly to the other.

Try this: One tortoise per table is the simple answer. If yours are already sharing, watch for shell ramming, bitten legs, or one hanging back at feeding time, and split them into separate tables if you see any of it. Never mix species, and keep a new tortoise apart from an existing one for a few months first.

Can my tortoise eat lettuce every day?

The mistake: Feeding bagged supermarket salad as the staple.

Bagged salad leaves are mostly water — low in fibre and low in calcium. A tortoise filled up on them grows fast and soft instead of slow and strong, and the droppings go loose.

Try this: Build meals on weeds and grasses instead: dandelion, plantain, sow thistle, mallow, and hibiscus leaves and flowers, picked from ground you know hasn't been sprayed. They are free and they are what most tortoises are built to eat. Leave a cuttlefish bone in the enclosure to gnaw on for calcium — about a dollar in the bird aisle.

❓ Common questions

📚 Where this comes from

We check our care advice against vets, animal charities, and government health guidance. Here is what this page is built on.

Vets, charities & official guidance

• Common diseases of tortoises — VCA Animal Hospitals
• Basic Information Sheet: Hermann's Tortoise — LafeberVet

Keeper & species-community guides

• Indoor housing and vivarium design — Tortoise Trust
• Indoor housing for tortoises — The Tortoise Table

Checked August 2026. These are other people’s websites, and none of it replaces your own vet — if a pet seems unwell, call one.