How to Choose the Right Swim Spa Size for Your Australian Backyard

The right swim-spa size depends on more than the longest unit that fits. Compare the actual published footprint, water depth, single-zone vs dual-zone layout, access route, intended swimming use and the exact current variant.

This guide intentionally does not hard-code promotional prices or infer specifications that are not published on the current product page.

Spas Wholesale is Australia’s #1 Spas & Swim Spas Online Store — Direct Online Pricing. No Middlemen. No Showroom Mark-ups.

Current Swim Spa Size Groups

3.9m Class — Compact Swim Spas

• Amazon Swim Spa — 3.9m × 2.28m × 1.20m; published capacity 3 persons.
• Hawaii Swim Spa — 3.9m × 2.28m; current product page publishes up to approximately 9–10-person capacity depending on configuration.

Best fit: buyers who want the shortest current swim-spa footprint and need to preserve more backyard space. A shorter unit is not automatically “better for swimming”; compare your swimming goals and current system configuration.

4.5m Class — Deeper Compact-to-Mid Size

• Royal Swim — 4.5m × 2.28m × 1.52m; 5 persons; single zone; USA Balboa; AquaStream Dynamic™.
• Express Lane 4.5m — 4.5m × 2.28m × 1.52m; up to 5 persons; Standard / Pro / Pro Max configurations.

Best fit: buyers wanting more length and depth than the 3.9m class while retaining a substantially smaller footprint than the longest swim spas.

5.8m Class — Single-Zone & Dual-Zone Choices

• Atlantic Swim — 5.8m × 2.28m; single zone; up to 5 persons.
• Majestic Swim — 5.8m × 2.28m; dual zone; 8 persons.
• Hydro Swim — 5.82m × 2.28m × 1.52m; dual zone; 6 seats + 2 lounges.

Best fit: buyers deciding between a longer single-zone swim area and a dual-zone product that separates swimming and spa-style use. A dual-zone unit of the same overall length does not have the same continuous swim area as a single-zone design.

6m Class — Longer Single-Zone Options

• Venice Swim Spa — 6.0m × 2.28m × 1.20m; 2 persons; 30 massage jets + 5 swim jets.
• Express Lane 6m — 6.0m × 2.28m × 1.52m; Standard / Pro / Pro Max. The current product description does not publish a seating-capacity number, so we do not infer one here.

Best fit: buyers wanting a longer stationary-swimming format and who have the delivery route and final site area for a 6m unit.

7.8m Class — Largest Current Length

• Famous Swim — 7.8m × 2.28m; 4+ persons; USA Balboa; AquaStream Dynamic™; ecoWARM™ Thermal Guardian Technology ecoWARM™.

Best fit: large outdoor areas and buyers prioritising the longest current published Spas Wholesale swim-spa footprint. We do not claim a measured “best swim speed” without comparable flow testing.

How to Measure Your Backyard

1. Confirm the final product dimensions from the exact live model and variant.
2. Measure the complete delivery route — gates, corners, overhead restrictions, retaining walls and access from the unloading point.
3. Allow the service access required by the product and installation instructions rather than using one universal clearance figure.
4. Confirm the foundation, drainage and electrical requirements before delivery.
5. Discuss specialist handling or crane placement if normal access is not practical.

Single Zone vs Dual Zone

Single zone uses one water body and one temperature. Dual zone separates the swim and spa areas so different temperatures can be used where supported. Choose based on household use rather than assuming dual zone is universally better.

Quick Buyer Shortcuts

Current Price & Evidence

Use the live Swim Spa collection and selected product variant for current pricing. For a model-by-model data table, see the Specification Database.

Best Swim Spa for Serious Swimming · Best Compact Swim Spa · Evidence Centre

Need help matching a model to your site? Call 1300 185 338 or contact our team.

Specifications reviewed: 25 August 2026.