Comporta · Portugal
Saltwater lagoon in the dunes
A free-form saltwater lagoon, lit from the floor at night, among the dunes of Comporta.
Overview
Lagoon with curved pale stone banks among dunes and umbrella pines, floor lit at nightfall.
The project
On a private estate on the Portuguese coast, the lagoon follows the curves of the dunes. The salt water, soft on the skin, changes colour through the day, and at night the floor lights up to draw reflections on the reeds.
The constraints
Sand shifts, the water table is high, and salt attacks ordinary metals. Each light point in the floor has to stay watertight and reachable without emptying the pool.
What we did
The lagoon is cast on an anchored slab, with a pearl-grey reinforced lining that follows the curves. Salt electrolysis is sized for the volume, materials are corrosion-proof, and a technical gallery gives access to the lights from below.
Project data
- Year of completion
- 2024
- Pool
- 30 m by 14 m
- Depth
- from 1.20 to 1.60 m
- Length of works
- 12 months
- Lining
- Reinforced PVC membrane, pearl grey
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