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Spa Spillovers: Blending Your Spa and Pool

March 28, 2026

Spa Spillovers: Blending Your Spa and Pool

When a spa is raised above the pool, the water that spills over its edge becomes a water feature in its own right. A spa spillover is one of the most popular and elegant ways to add the sound and movement of water to a pool, and it does double duty by connecting the spa and pool into one cohesive design. Here is how it works and what to consider.

How a spa spillover works

A raised spa sits a step or two above the pool's water level. Water from the spa flows over a spillway edge and cascades down into the pool, creating constant gentle movement and a soothing sound even when no one is using the spa.

The spillover can be a smooth, wide sheet for a modern look or a more textured stone edge for a natural feel, and it keeps the spa water circulating and visually tied to the pool.

Design options for the spillway

The edge detail sets the style. A clean, level spillway gives a contemporary sheet-of-water effect, while a stacked-stone or rock spillway reads more natural and lagoon-like. The height of the raise and the width of the spillway both affect the sound and drama.

Many homeowners add glass or stone tile to the spillover face and feature lighting so the spilling water glows at night, turning a functional edge into a true focal point.

Why spa spillovers are so popular

A spillover delivers a lot of value: it adds the sound and motion of moving water, visually unites the spa and pool, and creates an elevated focal point, all from a feature that also functions as a spa. That efficiency makes it one of the most requested designs we build.

It pairs well with other features too, working alongside sheer descents, fire bowls, and tanning-ledge bubblers to create a complete, resort-style composition. We will help you design a spa and spillover that fit your pool and budget during a free consultation.

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Frequently Asked Questions

What is a spa spillover?

A spa spillover is a raised spa whose water flows over a spillway edge and cascades down into the pool, creating constant gentle movement and sound while visually connecting the spa and pool.

Can a spillover be added to an existing spa?

If the spa is already raised or can be modified during a remodel, a spillover may be possible. It is most straightforward when planned with a new build, but we assess existing pools and spas to see what is feasible.

Does a spa spillover help keep the water clean?

The constant circulation from a spillover helps keep spa water moving and mixed with the pool, which supports filtration and water quality, though normal maintenance and chemistry are still required.