Modern · Formal · Lap-ready · Clean straight lines

Rectangle Pool Design in Phoenix, AZ

The rectangle is the modern, formal pool shape — four straight sides and crisp right angles that make it ideal for lap swimming and a natural match for geometric decking, sheer descents, and zero-edge details.

2001Designing Valley pools since
20,000+Pools built & renovated
4.9★305+ verified reviews
Any shapeCustom concrete & gunite

A rectangle pool is the cleanest, most architectural shape you can build: a simple four-sided basin with straight walls and sharp 90-degree corners. That geometry is exactly why it dominates modern and contemporary design — it lines up with the house, the deck, and the yard, gives you the longest uninterrupted lane for swimming laps, and sets the stage for crisp features like sheer descents, zero (vanishing) edges, and perimeter-overflow details.

What is a rectangle pool and what does it look like?

A rectangle pool is a straight-walled basin longer than it is wide, with four square corners. There are no curves and no angles other than the right angle — the whole shape is about clean lines and symmetry. That simplicity reads as formal and intentional, and it makes the rectangle the backbone of nearly every modern Arizona backyard design.

The long straight run is the rectangle’s signature: it gives swimmers a true lane and lets the pool double as exercise equipment. Built as a custom concrete and gunite structure, a rectangle can be proportioned as a slim lap pool, a wide family rectangle, or a grand resort-style basin, and it accepts the sharpest, most contemporary edge treatments of any shape.

What style and backyard does the rectangle suit?

The rectangle is the shape for modern, contemporary, and formal homes. Its straight lines mirror today’s architecture — flat rooflines, large windows, clean hardscape — and it looks deliberate and high-end when aligned with the house and decking.

It is also the top choice for anyone who wants to swim laps. Because the lane runs uninterrupted from end to end, a rectangle delivers more usable swimming distance than a curved shape of the same footprint. Pair it with geometric pavers or large-format deck tile and the whole backyard reads as one composed, modern space.

Rectangle pool design diagram showing straight walls and square corners for lap swimming

Best uses for a rectangle pool

Lap swimming

The longest uninterrupted lane of any shape — ideal for real exercise.

Modern & formal looks

Straight lines and symmetry suit contemporary and formal architecture.

Sheer descents

Flat straight walls are the perfect backdrop for sheet-style water features.

Zero / vanishing edge

A straight infinity edge needs the clean geometry a rectangle provides.

Tanning ledge

A full-width Baja shelf along one end fits the rectangle’s square geometry.

Geometric decking

Pairs cleanly with large-format pavers and straight-line hardscape.

Modern geometric rectangle pool with tanning ledge in an Arizona backyard

Custom shapes, any design

Built for clean, modern lines

We Fix Ugly Pools® builds custom concrete and gunite rectangles, from slim lap pools to resort-style basins with vanishing edges. Browse more layouts in our pool designs gallery.

See before & after transformations »

Which yards and homes fit a rectangle pool best?

Rectangles suit modern and contemporary homes and yards with a squared-off layout — where straight pool walls can run parallel to the house and property lines for a tailored, built-in look. They work on everything from narrow lap-pool corridors to wide, open entertaining yards.

If your home and landscape lean soft and organic, a free-form or oval pool may feel more at home; if you want formal symmetry with softened ends, consider a Roman shape. We will recommend the shape that fits your space and style.

Family enjoying a modern Arizona backyard pool with clean straight edges

Construction and cost impact of a rectangle pool

As a custom concrete (gunite) build, the rectangle is the most straightforward shape we form — straight walls and square corners with no complex curves. That clean geometry is efficient, though the premium features rectangles invite, like vanishing edges, perimeter overflow, and raised walls with sheer descents, are what move a build up in price rather than the shape itself.

As a reference point, new custom pools in the Valley typically run $38,000 to $60,000, with elaborate builds adding $60,000 or more once you layer in extensive hardscape, water features, and spas. Size, depth, finish, and features set the final figure, so we quote every pool after a design consultation. Learn more about our custom pools and the full range of inground pool types.

Finishes and features that pair with a rectangle pool

  • Sheer descents — sheet waterfalls off a straight raised wall, a modern signature.
  • Zero / vanishing edge — a straight infinity edge for a resort-style look.
  • Full-width tanning ledge — a Baja shelf running the pool’s short end.
  • Pebble or quartz interior — durable finishes; quartz about 12–18 years, pebble 25–30.
  • Large-format glass or stone tile — crisp waterline bands that suit the geometry.
  • Attached geometric spa — a squared spa with a linear spillover.

How our rectangle pool design process works

Design consultation

We visit your yard, talk through lap length and features, and align the rectangle to your home.

3D design & quote

You see your rectangle rendered with decking, finishes, and features, plus a clear written price.

Permits & build

We handle permits and build the custom gunite shell, plumbing, and structure.

Finish & fill

Tile, coping, interior finish, and deck go in, then we start up and hand over your pool.

As seen in the news

Recognized across Arizona & national media

We Fix Ugly Pools® and owner Brian Morris, “the Ugly Pool Guy,” hold a world record for the fastest pool build and have been featured by national and Arizona outlets, including as expert pool columnists for The Arizona Republic.

See We Fix Ugly Pools in the news »

★★★★★

“They completely transformed our backyard. The crew was professional, the finish is gorgeous, and it’s held up beautifully in the Arizona heat. Worth every penny.”

— Verified We Fix Ugly Pools customer, 4.9★ average from 305+ reviews

Why homeowners trust us to design their pool

  • Licensed & insured. A licensed Arizona contractor (ROC KA5-275609 residential, KB2-304269 commercial, and KA5-353555).
  • Any shape, fully custom. Concrete and gunite construction means your rectangle is built to your yard.
  • Design, build & remodel. One team from first sketch to the day you swim.
  • 20,000+ pools. Built and renovated across the Valley since 2001.
  • Honest shape advice. We recommend the layout that actually fits your space and budget.
  • 4.9 stars from 305+ homeowners. Serving the entire Phoenix metro.

Thinking about a rectangle pool?

Book a free design consultation and see your modern rectangle rendered in 3D before you build.

Book a Design ConsultationCall (602) 253-4499

Rectangle pool FAQs

What is a rectangle pool?
A rectangle pool is a straight-walled, four-sided basin with square 90-degree corners, usually longer than it is wide. Its clean geometry reads as modern and formal, gives swimmers the longest uninterrupted lane, and sets up crisp features like sheer descents and vanishing edges. It is the most common shape in contemporary backyard design.
Is a rectangle pool best for swimming laps?
Yes. The rectangle gives you the longest uninterrupted swimming lane of any shape, because the lane runs straight from one end to the other with no curves to shorten it. That makes it the top choice for anyone who wants to use the pool for real exercise as well as recreation.
What features pair well with a rectangle pool?
The rectangle’s straight walls are ideal for modern features: sheer-descent sheet waterfalls off a raised wall, a zero or vanishing (infinity) edge, a full-width tanning ledge, and an attached geometric spa with a linear spillover. Large-format glass or stone waterline tile and geometric decking complete the look.
How much does a rectangle pool cost in Phoenix?
Every pool is quoted after a design consultation because price depends on size, depth, finish, and features. As a general reference, new custom pools in the Valley typically run $38,000 to $60,000, with elaborate builds adding $60,000 or more. With a rectangle, premium edge treatments like vanishing edges usually drive cost more than the shape itself.
What is the difference between a rectangle and a geometric pool?
A rectangle is one specific geometric shape — a simple four-sided basin. “Geometric” is the broader family of straight-edged, angular pool designs that can include L-shapes, offset rectangles, and multi-angle layouts. If you like clean lines but want more than a single rectangle, a geometric design opens up more options.
Can a rectangle pool have a spa or tanning ledge?
Yes. Because we build every pool as a custom concrete and gunite structure, we can add a squared attached spa with a spillover, a full-width Baja shelf or tanning ledge, bubblers, and more. We will show you the options rendered in 3D during your design consultation.
Serving the Phoenix metro: Phoenix · Scottsdale · Mesa · Gilbert · Chandler · Glendale · Peoria · Tempe · all service areas

Schedule Now