89 x 89 Hot Tub Cover — Size, Fit and 26 Spas That Take It

A hot tub measuring 89" × 89" takes the AIRCAP 1™ Large, which fits square spas 89–91". That is the whole answer — but measure your own spa before ordering rather than trusting the size of the cover you are replacing, because cabinets vary between model years and a cover bought to the wrong number is the most common ordering mistake there is.

Measure straight across the top of the cabinet, edge to edge, both ways. If the two numbers differ, use the larger one. If you land between two sizes, round up: an oversized cover overhangs by a fraction, which is how a spa cover is meant to sit, while an undersized one will not seal along the edges.

Which hot tubs are 89" × 89"?

26 of the 362 models in our Spa Fitter measure 89" × 89", across 6 brands. If yours is on this list, the size question is settled — click through for its own page.

Brand	Models measuring 89" × 89"
Aquaterra Spas	Ventura
Beachcomber	Model 380, Model 380 Special Edition, Model 590, Model 590 Special Edition, Model 740, Model 740 Special Edition, Model 750, Model 750 SLB
Caldera Spas	Geneva, Makena, Niagara, Palatino, Salina
Hot Spring Spas	Pulse
Jacuzzi	J-LX, J-LXL, J285, J408, J408L
Sundance Spas	Cameo 880, Chelsea 780, Hamilton 780, McKinley 680, Optima 880, Ramona 680

What if my spa is not exactly 89"?

The Large covers everything from 89–91" across, so you do not need to hit 89" exactly. Anything in that band takes the same cover. Outside it, the AIRCAP 1™ comes in six sizes spanning 77" to 94" — the two-measurement guide will place you, or you can look your model up directly in the Spa Fitter.

One limit worth stating plainly: these are covers for square spas. If your cabinet is round, octagonal or a rectangle, no size here will fit it, and the alternatives guide covers what will.

Other measurements we list: 78" × 78" · 80" × 80" · 84" × 84" · 91" × 91" · 92" × 92" · 93" × 93" · 94" × 94". Each page works the same way — every spa at that size, and the cover it takes.

What an 89" × 89" cover costs

The AIRCAP 1™ Large is $1,195 — the same price as every other size, including the pump, three Ziptech™ skirt depths and tie-down straps, with free shipping to all 50 states. There is no size surcharge, which is unusual in this category: most makers price a cover by its square footage, so a bigger spa costs more. For how that compares with foam and the other constructions, see what a hot tub cover costs.

It weighs 35–40 lb and, with no foam core to absorb water, never gains weight — the one number a foam cover cannot promise.

Frequently asked questions

What size cover fits an 89" x 89" hot tub?

An 89 inch square hot tub takes the AIRCAP 1 Large, which fits square spas 89 to 91 inches across. Measure straight across the top of your cabinet both ways and use the larger number; if it falls between two sizes, round up.

Which hot tubs are 89" x 89"?

26 models in our Spa Fitter measure 89 by 89 inches, across 6 brands including Aquaterra Spas, Beachcomber, Caldera Spas and others. Each one has its own page listing the cover size it takes.

Does an 89 inch cover have to be exactly 89 inches?

No. The AIRCAP 1 Large fits any square spa from 89 to 91 inches across, so anything in that band takes the same cover. Only the larger of your two measurements matters.

How much does an 89" x 89" hot tub cover cost?

The AIRCAP 1 is $1,195 in every size, including the pump, three Ziptech skirt depths and tie-down straps, with free shipping to all 50 states. There is no size surcharge, so an 89 inch cover costs the same as the smallest one we make.