Yes — there are quite a few stackable options, and they’re ideal for urban balconies, patios, and rooftops where storage is tight. I’d start with stacking chairs: resin, aluminum, or powder-coated steel chairs often stack four to eight high, especially armless or low-back styles. Look for stacking bumpers or a slightly tapered frame so the finish doesn’t rub. If you want a table too, choose a nesting side table or a folding bistro table. Nesting tables slide under each other, while folding tables and chairs collapse flat enough for a closet corner.
Modular outdoor sofas are another route. They may not stack like chairs, but many break into separate armless seats, corner pieces, and ottomans that can be stacked or lined up vertically. Some ottomans and poufs are designed to stack or nest, which is great for extra seating. For benches, look for folding or stackable versions rather than heavy concrete or cast-iron styles.
Before buying, measure your closet’s width, depth, and height, then check the stack height. A set of four chairs and a nesting table can often fit on one shelf or in a narrow strip. Store cushions separately in a breathable bin, and use covers for frames if the closet is dusty or damp. Materials like aluminum, HDPE, and resin are lighter and more weather-resistant, which makes them easier to move and less likely to rust. If you have a tiny closet, stick to two to four stackable chairs, one nesting table, and a stackable ottoman. That gives you a usable outdoor setup without losing your indoor storage.