How a natural sand lagoon is built and kept
From groundbreaking to your first swim in as little as three weeks (typically three to twelve), built in eight documented steps and kept clean with a weekly rinse of a reusable filter.
Eight steps, in order
Here is exactly what happens to your property, step by step, from the first excavation to the day you swim.
Earthworks
We excavate and shape your basin, carving in the gentle beach gradient that will become your entry into the water. This is where your yard first becomes a lagoon.
Waterproofing
The shaped basin is sealed so it holds water cleanly for the life of your lagoon, with no leaks and no slow loss into the surrounding ground.
Networks and drainage
We run the water, drainage, and technical lines your lagoon needs. Everything that keeps the system working sits out of sight before the finishes go in.
Filtration install
Your freshwater, UV disinfection, and closed-loop system is set in place. This is what keeps your lagoon clean without a single chemical, for as long as you own it.
Rock install
Natural rock features are placed along the shoreline, giving your lagoon the texture and character of a real coastline rather than a poured pool edge.
Beach creation
We build up the fine sand basin and the gentle beach entry, the part of your lagoon you will feel underfoot every time you walk in.
Planting
Mediterranean planting is set around the water’s edge, softening the transition from lagoon to landscape so it reads as part of your property, not an addition to it.
Filling and start-up
We fill your lagoon and commission the system: filtration checked, water clear, and ready for your first swim.
Weeks, not months
Most builds run three to twelve weeks from groundbreaking to first swim, with the fastest lagoons ready in as little as three weeks. The exact range depends on the scale of your lagoon, your site, and the season. Yes, your yard is a build site for those weeks, but a conventional luxury pool commonly takes months. A lagoon we start in winter can be ready for you by summer.
Weeks 1–2
Earthworks, waterproofing & networks
Weeks 2–6
Filtration, rock & beach
Weeks 4–10
Planting & finishing
First swim
Your lagoon is ready to enjoy
How chemical-free actually works
Freshwater, not a chemically dosed pool
Your lagoon holds real fresh water, the same water you would find at a spring-fed swimming hole. It is never dosed with chlorine or the chemical mix a traditional pool relies on to stay swimmable.
Disinfected by light, not chemicals
Instead of chlorine, your water passes through UV disinfection. No chemical additives, no red eyes, no chemical smell rising off the water on a hot afternoon.
The water recirculates, it does not drain and refill
Your lagoon runs on a closed-loop system. The water you fill it with is recirculated and cleaned continuously, not drained and replaced on a cycle the way a traditional pool often is.
Fine sand underfoot, not a concrete shell
The floor of your lagoon is a 100% sand basin, not poured concrete. That sand is part of how the system stays clean and natural underfoot, and it is why your lagoon feels like a beach instead of a pool.
The maintenance truth
A weekly rinse, that is it
Your filters are reusable, and we provide two sets, so one is always clean and ready while the other dries. Rinse it once a week and your lagoon stays clear. That is the entire routine.
Less than the pool you have now
Because the system is closed-loop with zero water waste, there is no chemical balancing, no algae treatment, and no periodic drain and refill. Your lagoon asks less of you than the chlorinated pool you already know, and it costs less to run over time.
Your lagoon vs. a traditional pool
CLAIR LAGON®
- Weekly filter rinse
- Reusable filters, two sets provided
- Closed-loop, zero water waste
Traditional pool
- Chemical balancing
- Algae treatment and test kits
- Periodic drain and refill
Does your property qualify?
Here is how to know before you call: if you have a half-acre and 5,000 square feet to give it, your property can likely support a lagoon.
1/2 acre
Minimum land required
5,000 sq ft
Smallest build footprint: 3,000 sq ft of swim area plus 2,000 sq ft of beach and filtration
There is no stated maximum: your lagoon is limited by your land, not by our system. See what it costs and whether your property qualifies
You have seen how it is built and how it is kept
Tell us about your property and we will walk you through your build, your timeline, and your upkeep.
Prefer to talk? Call (678) 300-1391