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Design a hot tub deck — the spa, the screen, and the landing

A hot tub deck is one heavy decision and four easy ones: the 7-foot round spa where the structure can carry it, a trellis panel screening it from behind, a lounger on the sunny side for the cool-down, a garden bench as the towel-and-robe landing, and a planter box softening the open edge. Five catalog pieces in 12.5×13 feet — search the exact names in the Furnish panel, place them in your own plan, and walk the deck in 3D before anything heavy gets delivered.

4 min readUpdated 2026-11-02

Watch it

Design a hot tub deck in 40 seconds

Every piece at its true size, clearances checked, then a walk around it in 3D. The list, sizes, and steps are below.

A hot tub is the one piece of outdoor furniture you place once. Filled, a 7-foot spa weighs around 4,000 pounds plus the people in it — so where it sits is a structural question for the deck framing, not a styling choice. Everything else on this plan arranges itself around that decision: a screen behind, a landing beside, a lounger for after.

Every piece is in the RoomSketch3D catalog — search the exact names in the Furnish panel, place them in your own plan, and get the clearances right on screen before anything arrives on a crane.

Or let the app place it: tap the Auto-furnish wand in the toolbar, drag a box over the area you want to use, type Hot-Tub Deck in the search box and pick its card. Every piece lands against your walls, with a Fits or Tight badge for the space you drew — then edit anything. More in Auto-furnish.

What you'll need

  • •Round Hot Tub (84″ round) — the one piece you can't move later
  • •Trellis Panel (72″ wide, 72″ tall) — privacy behind the tub
  • •Patio Lounger (30″ × 78″) — the cool-down seat
  • •Garden Bench (60″ × 18″) — the towel-and-robe landing
  • •Planter Box (48″ × 18″) — softens the open edge
  • •A 12.5×13 ft patch of deck or patio — and a structure that can carry the tub

Step by step

  1. 1

    Place the tub first — it never moves again

    Search Round Hot Tub (84″ round) and set it toward the top of the zone, pulled off the edge so there's walkway around it. This is the piece the deck has to be engineered for — a filled tub is roughly 4,000 pounds — so place it where the structure (or a slab) can take the load, and keep one full side open for the service panel: the pump and heater need reachable access, not a planter in front of them.

    The deck on the plan — the tub decides, everything else arranges.
  2. 2

    Screen it from behind with the trellis

    Search Trellis Panel (72″ wide, 72″ tall) and run it along the wall or edge directly behind the tub. Shoulders-out-of-the-water is exactly the height a fence doesn't cover — the trellis puts six feet of screen where the sightline from next door actually lands, and it takes a climbing vine.

  3. 3

    The lounger is the cool-down

    Search Patio Lounger and run it along the sunny edge beside the tub, a step away from the rim. Nobody goes from 102 degrees straight indoors — the lounger is where you land, dripping, for ten minutes. Keep a clear walking gap between it and the tub so it's a step, not a climb.

  4. 4

    Bench for the towels, planter for the edge

    Search Garden Bench and set it across the foot of the zone, facing the tub — this is the landing: towels, robes, phones, the things that must not get wet but must be one wet-footed step away. Then search Planter Box and stand it along the open side — green where a railing would be, without boxing in the service access.

  5. 5

    Walk the deck in 3D

    Switch to 3D and orbit at eye height. Check that the trellis actually blocks the sightline into the water, the path from tub rim to bench is a clean wet-feet route, and the lounger doesn't pinch the walkway. Move pieces on the plan and look again — this is the cheap version of the crane coming back.

    The deck in 3D — screen behind, landing beside, lounger for after.
  6. 6

    Or let Auto-furnish place the Hot-Tub Deck for you

    Everything above can also be done in one go. Open your plan, tap the Auto-furnish wand in the toolbar and drag a box over the spot, tracing the walls you want the pieces against — at least 12.5 × 13 ft for this layout. In the Ideas list, type Hot-Tub Deck in the search box and pick its card; if it isn't among the first six cards, tap Show more. A Fits badge means the layout fits the box you drew, Tight means it is up to about 12% too big and a piece may sit a little past an edge. The five pieces land against your walls, and Variation 1–5 offer other arrangements — mirrored, turned to another wall or corner, or with a piece swapped for a similar one; where it can, it skips arrangements that would land on furniture already in your plan. If the plan still looks empty after you pick the card, tap Variation 2 (or any other variation) and the pieces appear — a known glitch can leave the first variation undrawn. Tap View in 3D to check it, then Done: the whole placement is one undo step, and every piece stays editable. More in Auto-furnish.

    Drawn over the top-left corner of a plain 16×16 ft room, the Hot-Tub Deck lands in a few taps — five pieces, a choice of variations, every piece still editable.

Tips

Pick the tub shape for the space, not the brochure

The 7-foot round is the friendliest to walk around, but the catalog also has the Square Hot Tub — same footprint, more shoulder room in the corners — and the Rectangular Hot Tub with lounge seating along one side. Drop each into the plan; the layout logic doesn't change.

Treat the deck under the tub as an engineering question

Four thousand pounds on a 7-foot circle is far beyond what standard deck framing assumes. Plan the tub's position here, then take that exact spot to a builder or engineer — reinforced framing or a ground-level slab. The plan tells you where; a professional tells you how.

Plan the wet-feet route

Every path you'll walk dripping — rim to bench, rim to lounger, rim to the door — should be short and step-free. Trace each one on the plan; if towels live more than a step or two from the rim, move the bench, not the tub.

Common mistakes

Boxing in the service panel

The pump and heater live behind an access panel, and one day a technician needs to open it. A tub ringed by trellis, planter, and bench on all sides means dragging furniture — or draining the tub — for a routine repair. Keep one full side permanently clear.

Screening the fence line instead of the sightline

Privacy is about where eyes are, not where the property line is. Check it in 3D at seated-in-the-water height: if the neighbor's window still sees the water over the trellis, slide the panel — or the tub — until it doesn't.

Placing the tub by looks alone

The prettiest corner of the deck may be the weakest span of the framing. Position first on the plan, then confirm the structure under that exact footprint can carry a filled tub — moving it on screen costs nothing; moving it filled is not an option.

Frequently asked questions

How much space does a hot tub deck need?

About 12.5 × 13 feet for this five-piece version: the 84-inch tub, a walkway around it, and the lounger, bench, and planter outside that ring. The bare minimum — tub, trellis, bench — fits in roughly 9 × 10 feet, but keep the service side open at any size.

What furniture makes up a hot tub deck?

Five pieces: a Round Hot Tub, a Trellis Panel, a Patio Lounger, a Garden Bench, and a Planter Box. Search each name in the Furnish panel.

Can I combine the hot tub with a fire pit circle?

Yes — they're natural neighbors, sharing the cool-down logic. Put the spa zone on one side and the patio lounge fire circle on the other, with the wet-feet path between them short and clear. The lounger can serve both.

Start designing your room

Put this into practice in the 3D room planner: draw it, furnish it, walk through it in 3D — on web, iOS, and Android.

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