From One Regulator to a Thriving Dive Shop: How Sink or Swim Scuba Has Grown Over the Years
Brent Clevenger Jul 14, 2026
From One Regulator to a Thriving Dive Shop: How Sink or Swim Scuba Has Grown Over the Years
Behind the Dive Shop #1
Every established business has moments that seem small at the time but look completely different years later.
For Sink or Swim Scuba, one of those moments involved a single regulator set.
Years ago, when the shop was still relatively new, we were working to determine which equipment to stock, which manufacturers to represent, and what our customers would actually purchase. Like many new businesses, every inventory decision mattered. Money tied up in equipment was money that could not be used somewhere else in the business.
At the time, one of the leaders of a local emergency-services dive team mentioned that the team might need regulators. We purchased a regulator set so we could show it to them and be prepared to help.
The team ultimately did not receive the funding for the purchase.
That meant the regulator remained in our inventory until another customer eventually bought it. Looking back, it probably was not sitting here for very long—but at the time, carrying even one additional regulator set for a month or two felt significant.
Today, that story is almost difficult to imagine.
Learning How to Sell Beyond the Store
Sink or Swim Scuba has always been a local dive shop, but our reach began expanding well beyond the immediate Charlotte and Gastonia area relatively early.
Before social media and modern e-commerce became the primary ways businesses reached customers, online diving forums played an important role. We could post a promotion in a technical-diving forum and sometimes sell 20 regulator sets within a week.
We also became one of the leading dealers for Salvo dive lights while the company was still in business. Those lights were shipped to divers throughout the United States and around the world.
Those early online sales taught us an important lesson: a dive shop does not have to be limited by its physical location.
A local store can still develop a regional, national, and even international customer base when it provides good products, knowledgeable support, competitive pricing, and dependable service.
That lesson continues to shape Sink or Swim Scuba today.
From Carefully Ordering One Item to Maintaining Real Inventory
In the early years, many products were ordered only after they had already been sold.
That approach kept inventory costs low and reduced financial risk. It also allowed us to offer a much wider range of equipment without having every product sitting on the sales floor.
As the business matured, that approach gradually changed.
Today, inventory arrives in significantly larger quantities. Products are entered into a cloud-based inventory system, organized, stocked, sold through the store and website, and reordered as needed.
Instead of worrying about carrying one regulator set, we now regularly maintain substantial inventories of regulators, full-face masks, exposure protection, buoyancy compensators, dive computers, service parts, public safety diving equipment, and other specialized products.
That growth did not happen overnight. It came from years of learning what customers need, developing relationships with manufacturers, building service capabilities, and reinvesting in the business.
Growth Changes More Than the Amount of Inventory
Business growth is not simply a matter of purchasing more products.
As Sink or Swim Scuba has grown, the systems behind the business have had to grow with it.
Inventory has to be tracked accurately. Products need complete descriptions, photographs, pricing, part numbers, and online listings. Manufacturer relationships must be maintained. Equipment needs to be serviced correctly. Orders must be shipped promptly. Government purchasing requirements have to be understood. Quotes must be accurate, and customers need reliable support after the sale.
The larger the business becomes, the more important those systems become.
A mistake involving one product is one thing. A mistake repeated across hundreds or thousands of products becomes an entirely different problem.
That is why improving our internal processes, inventory systems, website, service department, and customer communications has become just as important as increasing sales.
Serving More Than One Type of Diver
Another major change has been the variety of customers Sink or Swim Scuba now supports.
We still work with brand-new divers purchasing their first mask, fins, snorkel, or regulator. We train recreational divers from the Charlotte region and help experienced divers prepare for trips, continuing education, technical diving, and advanced equipment configurations.
At the same time, the public safety side of the business has expanded substantially.
Sink or Swim Scuba now works with fire departments, law-enforcement agencies, rescue squads, commercial organizations, and public safety dive teams across a much larger geographic area.
Those customers often need more than a piece of equipment. They may need help developing complete equipment packages, comparing systems, planning future purchases, scheduling maintenance, training divers, preparing bid specifications, or determining how new equipment will integrate with what the team already owns.
That requires us to think beyond making a single sale.
Our goal is to become a long-term equipment, service, and training resource for the organizations we serve.
Manufacturer Relationships Matter
A growing dive shop also develops much deeper relationships with the manufacturers it represents.
In the beginning, opening a product line might mean purchasing a collection of masks, fins, snorkels, or regulators based largely on a sales representative’s recommendations.
Over time, we learned which products worked best for our customers, which products required ongoing technical support, and which manufacturers were committed to supporting their dealers and end users.
Today, Sink or Swim Scuba represents a broad selection of respected recreational, technical, and public safety diving brands. We have also developed specialized capabilities involving full-face masks, communications equipment, surface-supplied air systems, drysuits, regulators, and public safety diving equipment.
Those relationships allow us to provide better answers, better service, better access to parts, and more complete solutions for our customers.
The Responsibility Grows With the Business
There is a sense of pride in looking around the shop today and seeing inventory that once would have seemed impossible to carry.
But growth also brings responsibility.
Customers are depending on us to recommend equipment that is appropriate for their needs. Dive teams may rely on equipment we sell or service during difficult operations. Students trust us to prepare them for the water. Manufacturers trust us to represent their brands correctly.
That responsibility is one reason Sink or Swim Scuba continues investing in manufacturer training, technician education, inventory, staff development, and better business systems.
The goal is not simply to become a larger dive shop.
The goal is to become a better and more capable one.
Still a Local Dive Shop—With a Much Larger Reach
Sink or Swim Scuba remains a locally owned dive shop serving Gastonia, Charlotte, Lake Norman, Lake Wylie, and the surrounding region.
What has changed is how far that local business can reach.
Our equipment now ships to customers and organizations throughout the country. Our public safety diving work connects us with teams in multiple states. Our online content helps divers and departments find answers before they ever call or visit the store.
The internet did not replace the local dive shop. It gave a well-run local dive shop the ability to serve far more people.
The foundation, however, remains the same: provide knowledgeable guidance, support the products we sell, treat customers fairly, and continue learning.
Looking Back—and Continuing Forward
There will always be another level of growth to pursue.
We still have systems to improve, products to add, employees to train, relationships to build, and customers we have not yet reached.
But every once in a while, it is useful to look back.
There was a time when carrying one unsold regulator set felt like a major financial risk. Today, regulators and specialized diving equipment arrive in quantities that once would have been difficult to imagine.
That change did not happen because of one advertisement, one product, or one large customer. It happened through years of consistent work, careful reinvestment, customer relationships, online outreach, and a willingness to keep expanding what Sink or Swim Scuba could become.
The business is still growing.
We are still learning.
And we are still only getting started.
Need Scuba Equipment, Training, or Public Safety Diving Support?
Sink or Swim Scuba supports recreational divers, dive professionals, fire departments, law-enforcement agencies, rescue organizations, and public safety dive teams.
Whether you need help selecting your first set of scuba equipment, outfitting an entire dive team, arranging specialized training, or planning long-term equipment service, our team is ready to help.
Visit Sink or Swim Scuba in Gastonia, North Carolina, serving the greater Charlotte region—or contact us for equipment and public safety diving support anywhere in the United States.
Sink or Swim Scuba Inc.
Public Safety Diving Specialists
Office: (704) 823-0501
Website: www.SinkOrSwimScuba.com
About the Behind the Dive Shop Series
Behind the Dive Shop shares the experiences, decisions, challenges, and lessons that have shaped Sink or Swim Scuba.
Future articles will explore equipment decisions, inventory growth, online sales, manufacturer relationships, public safety diving, training, customer service, and the realities of operating an independent dive shop.
