Custom Spa & Hot Tub Designs in Delaware | Ashton Pools By Design
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Custom Spas

Custom-designed spas, great for both body and mind

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Your dream pool tailored in size and shape to your property

A backyard hot tub with bubbling water is adjacent to a luxury pool, surrounded by green plants and potted flowers. Modern backyard featuring a rectangular fiberglass pool with an attached custom spa, stone edging, lounge chairs, and well-kept lawn—perfect for outdoor living, bordered by houses and a white fence. A backyard featuring a luxury inground pool and hot tub, lounge chairs, a patio seating area, and a house overlooking a lake with trees and other houses in the background. A backyard inground pool next to a stone patio with outdoor seating, a fireplace, and surrounded by trees and a wooden privacy fence—perfect for relaxing or entertaining. A yellow labrador jumps over a stone ledge with a small waterfall into a luxury pool on a sunny day. A modern backyard luxury pool with a raised custom spa section, purple tile accents, and water features flowing from a stone wall into the pool. A modern backyard luxury pool and hot tub with purple underwater lights, surrounded by gray stone tiles, steps inside the pool, and trees in the background. A stone hot tub next to an inground pool features a bottle of wine and two glasses on its edge; a flowering bush and house complete this inviting outdoor living scene. A modern backyard with a stone-tiled patio, hot tub in the foreground, luxury pool, lounge chairs, and a small table with drinks and towels. A modern inground pool with a raised square hot tub in the center, tiled in light blue, sits beside a house with large windows—perfect for stylish outdoor living. A white pool lounge chair is partially in the water.

Design. Build. Unwind.

1. Imagine the Possibilities

It all starts with a conversation. We listen to your ideas, explore your space, and begin shaping a pool that suits your lifestyle perfectly.

2. See It Come to Life

Through detailed 3D design ans curated materials, we help you visualise every detail - from sparkling water features to elegant finishes.

3. Make It Official

Once everything feels just right, we take care of the paperwork and approvals while you get excited for what's to come.

4. Enjoy the Transformation

Our skilled team brings your vision to life with care and precision. All that's left is to step in, unwind, and enjoy your new way of living.

Book a Consultation

Let's bring your dream outdoor space to life - starting with a relaxed, no-pressure chat.

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Gradient background blends light blue on the left and light pink on the right, overlaid with faint, outlined tropical leaf patterns—perfect for showcasing luxury pools and enhancing your outdoor living experience.

Custom Spas

Your outdoor space should be your own private retreat—and a custom spa is the perfect way to make that happen. At Ashton Pools, we design and build inground spas and above ground spas that integrate seamlessly into your backyard and your lifestyle.

Each spa is customized to your preferences and incorporated directly into your outdoor plan, so the spa installation process is smooth from start to finish. We use detailed 3D renderings to help you visualize the transformation, ensuring every detail aligns with your goals before construction begins.

Whether you’re seeking hydrotherapy, everyday relaxation, or a space to reconnect, a bespoke spa can elevate your entire outdoor experience.

Contact Us

Get in touch to see how we can help — or call us at (302) 200-3491

Hot Tubs

Hot tubs differ from spas in that they are typically freestanding, offering flexibility in placement and design. Whether you choose an inground hot tub or above ground hot tub, we’ll help you find the best fit for your space, your budget, and your lifestyle.

Beyond relaxation, hot tubs and spas can offer meaningful health benefits:

  • Improved sleep
  • Reduced stress and anxiety
  • Relief from chronic pain and arthritis
  • Lowered blood pressure and blood sugar
  • Healthier skin
  • Fewer migraines

Founded in 2003, Ashton Pools by Design is proud to be Delaware’s premier pool builder and a member of the prestigious Master Pools Guild. Contact us today to begin your hot tub installation or spa project and bring a new level of comfort to your outdoor space.

Let's Talk

Contact us today to book your consultation (302) 200-3491

Custom Spas FAQ's

How many jets come with my spa?

The number of jets is typically one grouping per person that the spa fits.

Can my spa spill over into the pool?

It sure can. It will take a little longer to heat your spa though as your hot water will be cascading out and it’s not the most recommended design aspect if you want to use your spa year-round.

Can my spa run year-round?

Yes! In the due diligence portion of our design project, this is something you can discuss with your designer.

Gradient background blends light blue on the left and light pink on the right, overlaid with faint, outlined tropical leaf patterns—perfect for showcasing luxury pools and enhancing your outdoor living experience.

Get inspired by our outdoor living designs

Inspiration Gallery
Backyard with stone patio, luxury pool, custom spa hot tub, lounge chairs, sun umbrella, and a cabana next to a blue-sided house—perfect for relaxing by the best inground pools.

Highlighted Projects for Custom Spas

Since starting this journey in 2003, we've transformed thousands of backyards - take a look through some examples of our favorite projects
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Rehoboth Beach

completed long pool

Lap Pool Luxury

$265,000

View Project

Downtown Rehoboth Beach

Backyard pool with a raised hot tub and custom spa, stone tile patio, wicker lounge chairs, small table, and shaded by trees, bordered by a wooden fence.

Ocean Block Oasis

$160,000

View Project

Rehoboth Beach, Delaware

Swimming Pool by Ashton Pools by Design

Unusable Hillside to Usable, Flowing, Rooms

$425,000

View Project

Rehoboth Beach Country Club

Rectangular backyard luxury pool beside a house, surrounded by a stone patio, tall trees, white fence, and patio furniture with a blue umbrella in the background.

Can We Fit a Pool on This Lot?

$150,000

View Project

Fenwick Island, Delaware

Modern backyard featuring an inground pool with attached custom spa, stone patio, fire pit, outdoor kitchen with grill, and two lounge chairs; trees and distant buildings in the background.

Above the Noise Outdoor Living Space

$200,000

View Project

Downtown Rehoboth Beach, Delaware

Backyard with a rectangular inground pool, lounge chairs, potted plants, umbrella, and a grassy lawn bordered by trees and a wood fence—perfect for enjoying the benefits of modern fiberglass pools.

Downtown Rehoboth Beach Plunge Pool

$102,000

View Project
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Awards, Affiliations & Certifications

As a Certified Master Pool Builder & Design Professional, we're recognised for our commitment to quality, ethics, and advanced design - but don't just take our word for it, explore the awards and affiliations that set us apart.

Certified Master Pool Builder & Design Professional badge from the Pool & Hot Tub Alliance, powered by Genesis, features a blue and red circular design—perfect for professionals in luxury pools and outdoor living.
A blue and gold badge reads Best of Coastal Style 2023, Pool Design/Build Company, Sussex County—honoring excellence in luxury pools and inground pools.
A blue and gold badge reads Best of Coastal Style 2025 Pool Design/Build Company, Sussex County—celebrating excellence in luxury pools and outdoor kitchens.
Logo with a blue torch above the words BBB Torch Awards for Ethics 2023 Winner on a light background, celebrating excellence in luxury pools and outdoor living.
Black and white Best of Delaware 2020 logo featuring a crown graphic, Delaware Today text, and celebrating excellence in outdoor living and inground pools.
The logo shows MPG with blue wave graphics underneath and the words Master Pools Guild below in capital letters, reflecting their expertise in luxury pools and custom spas.
Logo of the Rehoboth Beach-Dewey Beach Chamber of Commerce featuring a dolphin above ocean waves, surrounded by the organization’s name in a circular border—perfect for those who enjoy outdoor living by the shore.
A silver medallion with rope edging displays the text The Worlds Greatest Pools 2025, surrounded by five stars—a true symbol of excellence for luxury pools and stunning outdoor kitchens.
Gold and white seal with Certified Installer around the edges and ICPI Interlocking Concrete Pavement Institute with a red pavement graphic in the center—representing expertise in luxury pools and outdoor living.
Logo for Pool & Hot Tub Alliance featuring a stylized blue water design on the left and the organization name in blue text on the right, representing expertise in inground pools and custom spas.
BBB Accredited Business A+ Rating logo in blue and white, representing trust for inground pools and outdoor living projects.
Logo for the Delaware Nursery & Landscape Association featuring silhouettes of three trees and text stating MEMBER 2021, symbolizing a commitment to outdoor living.
Blue and white circular badge labeled CBP Certified Builder Professional with Pool & Hot Tub Alliance, Powered by Genesis—perfect for experts in inground pools, custom spas, and outdoor kitchens.
Logo for the Northeast Spa & Pool Association featuring a yellow sunburst behind blue NESPA letters and blue water ripples below, reflecting their expertise in inground pools and luxury pools.
Check Out Our Awards Master Certification

Find Your Perfect Pool

From Family fun to peaceful retreats, explore designs that fit your lifestyle and space beautifully
Luxury Pools
Outdoor pool area with luxury pools, lounge chairs, blue cushions, and large blue umbrellas, surrounded by trees and patio furniture on a stone deck.
Geometric Pools
Modern waterfront house with multiple balconies, an infinity pool, and lounge chairs overlooking a calm body of water at sunset—perfect for outdoor living and relaxing in style.
Freeform Pools
Outdoor swimming pool with clear water, surrounded by stone tiles and luxury pools features, lounge chairs with a red umbrella, plus a view of open fields and farm buildings in the background.
Fiberglass Pools
A backyard luxury pool with a stone waterfall feature, a large inflatable unicorn float, custom spa area, and a covered patio with seating under a blue ceiling.
Concrete Pools
A backyard patio with a swimming pool, custom spas, wicker furniture, a pergola over a dining table, and a hedge of tall trees in the background under a clear sky.
Gunite Pools
Backyard with a rectangular fiberglass pool, waterfall feature, lounge chairs, and artificial grass, surrounded by trees and a large house.

Luxury Pools

World-class pools that radiate elegance

  • A modern masterpiece designed around you
  • Create your dream pool unlike any other in the area
  • The luxury resort experience at home
More About Luxury Pools
Outdoor pool area with luxury pools, lounge chairs, blue cushions, and large blue umbrellas, surrounded by trees and patio furniture on a stone deck.

Geometric Pools

Sleek and contemporary, with a timeless feel

  • Tailor a contemporary pool around your lifestyle
  • Simple design for shorter build times
  • Classic designs fully managed by our team
More About Geometric Pools
Modern waterfront house with multiple balconies, an infinity pool, and lounge chairs overlooking a calm body of water at sunset—perfect for outdoor living and relaxing in style.

Freeform Pools

Elegant pools that blend in with their surroundings

  • The freedom to design a pool around your property
  • Reflect your personal style and maximize your space
  • Unwind and entertain in a pool unlike any other
More About Freeform Pools
Outdoor swimming pool with clear water, surrounded by stone tiles and luxury pools features, lounge chairs with a red umbrella, plus a view of open fields and farm buildings in the background.

Fiberglass Pools

One step closer to your dream fiberglass pool

  • Incredibly durable and built to last
  • A range of 20 designs to choose from
  • Faster installation than a custom concrete pool
More About Fiberglass Pools
A backyard luxury pool with a stone waterfall feature, a large inflatable unicorn float, custom spa area, and a covered patio with seating under a blue ceiling.

Concrete Pools

Creating the pool you've always wanted with the flexibility of concrete

  • Tailor your pool design to your taste and lifestyle
  • Perfect pool for you and your family
  • We produce concrete pools that turn your dreams into a reality
More About Concrete Pools
A backyard patio with a swimming pool, custom spas, wicker furniture, a pergola over a dining table, and a hedge of tall trees in the background under a clear sky.

Gunite Pools

Stunning, long-lasting results from gunite pools

  • Achieve your dream lifestyle
  • Personalized finish
  • Custom-built to fit the exact shape, size, and features you want
More About Gunite Pools
Backyard with a rectangular fiberglass pool, waterfall feature, lounge chairs, and artificial grass, surrounded by trees and a large house.

Ready to make a splash? Contact Ashton Pools today to discuss your dream pool and turn your backyard into a paradise!

Contact Us
Gradient background blends light blue on the left and light pink on the right, overlaid with faint, outlined tropical leaf patterns—perfect for showcasing luxury pools and enhancing your outdoor living experience.

Loved by Families Built For Life

Here how our pools have transformed outdoor spaces into places for connection, relaxation, and unforgettable moments.

Read More Stories
Two blue chairs, a cushioned bench with pillows, and a round fire pit create an inviting outdoor living space on a stone patio near fiberglass pools; two black lanterns sit on the ground.

Outdoor Living

We design more than pools - we create complete outdoor spaces for relaxing, entertaining and making memories.

Explore Outdoor Living Rectangular inground pool and hot tub beside a blue house with lounge chairs, patio furniture, and a view of a lakeside neighborhood—perfect for relaxing by your fiberglass pool or entertaining near custom outdoor kitchens.

Retail

We offer a curated backyard shopping experience featuring Bullfrog Spas, Azenco pergolas, and a full range of premium pool and spa chemicals.

Browse The Retail Range A backyard inground pool with two lounge chairs in shallow water, a circular hot tub attached, and patio seating with an umbrella, surrounded by trees and greenery, creates the perfect setting for luxury pools.

Pool Financing

With flexible finance options available, turning your dream pool into a reality is easier than you think.

Learn About Finance
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Let's Bring Your Vision to Life

Book a Consultation

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  • Get an Estimate
  • Schedule A Callback

Once you've submitted the form, one of our team will get back to you as soon as we can to discuss your specific requirements

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