Buying a Pool for the First Time? Here’s How to Pick the Perfect Size.

Buying a Pool for the First Time? Here’s How to Pick the Perfect Size.

At American Sale, we know that buying your first above ground pool is exciting — and maybe a little overwhelming. With so many shapes, sizes, and options to choose from, it’s easy to wonder: What size pool is right for me and my family?

Whether you’re dreaming of weekend pool parties, cannonballs with the kids, or peaceful summer evenings floating under the stars, choosing the right pool size comes down to two main things: how many people will be swimming and how you plan to use the pool.

Let’s break it down so you can make a confident, informed choice and get to the fun part faster!

Step 1: Who’s Swimming?

Start with a headcount. Is this pool mostly for your kids and their friends? Just the two of you unwinding after work? Or a whole crew of family and friends?

Here’s a general sizing guide to help match your pool to your needs:

Round Pools

  • 12' Round – Best for 2 to 3 people
    Ideal for couples or small kids to cool off and splash around.
  • 15' Round – Fits 3 to 4 people
    Good for a small family or relaxed floating.
  • 18' Round – Fits 4 to 6 people
    Spacious enough for games and lounging.
  • 21' Round – Fits 6 to 8 people
    Great for larger families and casual entertaining.
  • 24' Round – Fits 7 to 10 people
    Comfortable for weekend gatherings or bigger families.
  • 27' Round – Fits 8 to 12 people
    Ideal for active families or frequent guests.
  • 30' Round – Fits 10 to 14 people
    Maximum space for parties, pool games, or big family fun..

Oval Pools

  • 12' x 21' Oval – Fits 4 to 6 people
    Perfect for compact yards and mixed-use swimming.
  • 15' x 24' Oval – Fits 6 to 8 people
    Roomy enough for floating and water games.
  • 15' x 30' Oval – Fits 8 to 10 people
    Great for larger families or light lap swimming.
  • 18' x 33' Oval – Fits 10 to 12+ people
    A spacious option for serious swimmers or entertaining.

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Pro Tip: If you're on the fence between two sizes, it's usually smart to size up — especially if your family is growing or you plan to host guests. More space = more fun..

Now think about how you’ll spend time in your pool:

Permanent above ground pools offer plenty of space and stability, but your ideal size also depends on how you’ll use it most.

  • Relaxation & Lounging: Medium-sized round pools are great for floating and unwinding after a long day.
  • Games & Active Play: Larger oval pools give you the space for pool volleyball, basketball, and plenty of room for big floaties.
  • Family Time: Think about how your kids will use the pool now — and as they grow. Going slightly larger than you think you need can help future-proof your investment.

Step 2: Choose the Right Type of Pool

At American Sale, we carry a full range of pool types — from fast-and-easy inflatable pools to permanent backyard installations. Here’s a quick overview of your options:

  • Inflatable Pools: Ideal for young kids or short-term use. They’re budget-friendly, easy to set up, and store away when summer ends.
  • Intex Easy Set Pools: A step up from inflatable, these are simple to install and great for seasonal fun. Perfect for renters or anyone who wants a pool without a long-term commitment.
  • Permanent Above Ground Pools: Durable, long-lasting, and available in a variety of sizes and styles. Great for families who want a more structured and attractive backyard feature. 
      • At American Sale, we specialize in permanent above ground pools that add long-term value and fun to your backyard. These pools are built to last, with steel or resin frames and high-quality liners that can handle years of summer fun.

Why Choose a Permanent Above Ground Pool?

      • Durability: Built for long-term use with sturdy materials and structural integrity.
      • Variety: Available in multiple shapes and sizes to fit different yard layouts and family sizes.
      • Affordability: Offers the benefits of a large pool without the price tag of inground options.
      • Customizable: Add decking, lighting, landscaping, and more to create a personalized backyard oasis.
  • Semi-Inground Pools: A hybrid option that’s partially buried in the ground. These offer the look and stability of an inground pool with the affordability of above ground options.
  • Inground Pools: The ultimate backyard upgrade. Fully customizable in shape and size, with endless features.  Ideal for homeowners looking to invest in long-term value and luxury.

Step 3: Measure Your Yard

No matter which type of pool you choose, it has to fit your space and your lifestyle. Use the checklist below to plan your layout and avoid surprises:

Mark the Space
  • Use a garden hose or string to mark out your pool size. It’s a helpful way to visualize how it’ll fit before you commit.
Leave Room for Extras
  • Walkways and safe walking areas
  • Decking or patio space
  • Landscaping features or fencing
  • Required safety barriers (check local codes)
Check Site Conditions
  • Choose a level area to avoid installation issues
  • Look for good sun exposure to help keep water warm
  • Ensure proper drainage to prevent pooling or erosion
  • Consider access points for maintenance and future upgrades

Taking the time to measure and map things out can make all the difference in creating a pool area that’s functional, safe, and ready for summer fun.

Step 4: Factor in Budget and Maintenance

A larger or more permanent pool will come with a higher upfront cost and more ongoing upkeep but it’s also a long-term investment that can last you for years with proper care. Make sure you’re considering:

  • Pool filters, pumps, and ladders
  • Covers, liners, and cleaning tools
  • Chemicals and water care
  • Optional upgrades like heaters, lighting, or decks

The good news? At American Sale, we offer high-quality pools at every price point from inflatable to inground so you can find something that works for your backyard and your budget.

Still Not Sure? We’re Here to Help!

Whether you’re just starting to explore options or ready to dive in, our experienced team is here to help you every step of the way.

Visit your local American Sale store or browse online to find your perfect pool. Big or small, summer fun starts here.

Our pool experts are here to walk you through every step — from choosing the right size to setting it up. We’ve been helping families make summer memories for over 60 years, and we’d love to help you start yours.


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Monday - Tuesday: 10am - 6pm
Wednesday: Closed
Thursday - Sunday: 10am - 6pm

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Bridgeview, Carol Stream, Lake Zurich, Merrillville, Naperville, Orland Park, Romeoville

Monday - Friday: 10am - 7pm
Saturday - Sunday: 10am - 6pm

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