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Business Details
46 Years
experience
Expert Pool Maintenance & Repair Services in Cairns
Marlin Swim Pool Service has been a family-owned and operated business in Cairns since 1980, delivering professional pool maintenance, repairs, and renovations. Our team holds certifications from the Queensland Building and Construction Commission (QBCC) and specializes in vinyl pool liner repairs, acid washing, and energy-efficient upgrades. With over 35 years of local experience, we serve residential and commercial clients from Palm Cove to Tully, ensuring pools remain clean, chemically balanced, and compliant with safety standards. Our expertise extends to equipment repairs, filter media replacement, and pool fencing, backed by a commitment to personalized service and customer satisfaction.

We pride ourselves on resolving complex issues, such as green pools and equipment failures, with cost-effective solutions. Our energy efficiency upgrades, including variable-speed pool pumps and LED lighting, help clients reduce annual running costs significantly. Testimonials highlight our reliability, transparency, and ability to maintain pools even during extreme weather events like cyclones. Our licensed professionals combine technical skills with decades of hands-on experience to deliver trusted, high-quality services tailored to individual client needs.
Services
Pool Maintenance Vinyl Liner Repairs Acid Washing Equipment Repairs Energy Efficiency Upgrades
Details
  • Year established: 1980
Highlights and features
  • We have over 35 years of local experience in Cairns and surrounding areas.
  • Our team is QBCC-licensed and certified in swimming pool and spa service.
  • We offer energy-efficient upgrades that reduce annual pool running costs by up to 75%.
  • We provide personalized, reliable service with transparent pricing and no hidden fees.
  • Our comprehensive services cover maintenance, repairs, and renovations for all pool types.
Associations and certifications
  • Queensland Building and Construction Commission (QBCC)
What people say
Excellent service Reliable technicians Cost-effective repairs Prompt emergency response Long-term trust
Services
Pool Maintenance
Our regular pool maintenance ensures your pool remains clean, chemically balanced, and safe. We offer customized schedules, including weekly, fortnightly, or monthly visits, tailored to residential and commercial needs. Our services include water testing, debris removal, and equipment checks to prevent costly repairs.
Vinyl Liner Repairs
We specialize in repairing and replacing vinyl pool liners for above-ground and in-ground pools. Our underwater repair kits and professional installation ensure minimal water drainage. We use high-quality ABGAL and Aqualux liners, available in multiple colors, to extend your pool's lifespan and aesthetics.
Acid Washing
Our acid washing service removes stubborn stains caused by chemicals, leaves, or metal fixtures. The process involves draining the pool, applying acid treatments, and rebalancing water chemistry. This restores your pool's surface to a like-new condition, enhancing clarity and safety.
Equipment Repairs
We repair all pool equipment, including pumps, filters, chlorinators, and automatic cleaners. Our technicians diagnose issues on-site and use genuine parts for efficient fixes. We service brands like Hayward, Zodiac, and Poolrite, ensuring optimal performance and longevity.
Energy Efficiency Upgrades
Upgrade to energy-efficient pumps, LED lighting, and chlorinators to reduce electricity costs by up to 90%. Our variable-speed pumps and glass filter media improve system efficiency while maintaining water quality. We provide tailored advice to maximize savings and environmental benefits.
People
Marcus Welch
Director
Marcus has directed Marlin Pool Service since 1980, completing over 16,000 service calls. His expertise in pool construction and maintenance ensures reliable, licensed service for residential and commercial clients.
Gretel Welch
Accounts/Service Support
Gretel manages accounts and supports pool maintenance operations. Her hands-on approach ensures seamless service delivery and client satisfaction for Marlin's long-standing customers.
Hunter
Technician Assistant
Hunter assists with maintenance schedules, water testing, and chemical balancing. His role ensures pools remain clean and compliant with safety standards across the Cairns region.
Questions
What pool services do you offer in Cairns?
We provide pool maintenance, vinyl liner repairs, acid washing, equipment repairs, and energy efficiency upgrades across Cairns and surrounding areas.
Are your technicians licensed and certified?
Yes, we are QBCC-licensed and hold accredited training in swimming pool and spa service, ensuring compliance with industry standards.
How can I reduce my pool's energy costs?
Upgrade to variable-speed pumps, LED lighting, or efficient chlorinators. These solutions can cut energy bills by up to 90% while maintaining performance.
Do you service both residential and commercial pools?
Yes, we cater to residential properties and commercial clients, including resorts and body corporate-managed pools.
What areas do you cover?
We service Cairns, Palm Cove, Tully, Edmonton, Gordonvale, Innisfail, and surrounding regions in Far North Queensland.
Can you repair vinyl pool liners without draining the pool?
Yes, our underwater repair kits allow us to fix liners with minimal drainage, preserving their structure and reducing downtime.
Reviews (3)
Mimi Nelson
Jan 21, 2019 Report
We first engaged Marcus and Gretel to do a chemical clean of our 20+ year old pebblecrete pool two years ago. They did an amazing job and made our pool look brand new again! Since then, Marcus has been servicing our pool for us. He is prompt, honest, reliable and has a wealth of knowledge on all things pool related. Marcus has on multiple occasions come to the rescue at short notice when we have had various pool disasters. His expertise was absolutely invaluable in these situations. We could not recommend him more highly.
Bob Waters
Sep 28, 2016 Report
We have been clients of Marlin Swim Pool Service since late 2011 and are pleased to endorse the professional service provided by Marcus and Gretal. Marcus is an expert in the field of pool service and maintenance and readily provides advice on all things relating to pool service to ensure that our pool is kept in pristine condition. We have also found that Marlin Swim Pool Service only uses top quality chemicals and only provides what is needed. On a number of occasions we have had to call on Marcus to attend to problems such as our chlorinator and pool lighting and Marcus and Gretal provide prompt
Marco Berger
Aug 05, 2016 Report
We have a pool that's been serviced by Marlin pool service and honestly cannot complain about anything. Always on time. Always great service. And when there's an issue with our pool, he's there very quickly. Very professional service!