Marelux, the brand of waterproof housings designed to support your underwater photography.
Founded in the early 2020s by photographers for photographers with real-world experience. Marelux offers high-end anodised aluminium housings, certified to accompany you down to 100 metres, technically rivalling long-standing leaders such as Nauticam and Ikelite but at a significantly more affordable price.
Designed exclusively for Canon, Nikon and Sony mirrorless and DSLR cameras, Marelux housings stand out thanks to their 125 mm port diameter—the widest in the industry—which allows you to fit a wide-angle lens without having to remove it before every dive.
The range goes far beyond the simple housing: the Apollo 28 underwater flash, the SOFT Pro X snoot with iris and integrated aiming light, housings for Atomos video monitors, a pull-to-release anti-leak vacuum system... all innovations born from real-world experience in underwater photography.
For underwater photographers seeking a comprehensive, modular system genuinely designed to support you on your photo shoots in tropical reefs or the cold waters of the North, Marelux is now a leading brand not to be overlooked.
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Marelux was founded by a group of passionate underwater photographers, not by optical manufacturers. This background is reflected in every design detail. Practical details designed by divers, for divers
With a fresh perspective on the market, the brand made a clear observation: existing high-end camera housings were high-performing, but often bulky, cumbersome to handle and almost always black.
From its very first models, Marelux captured the attention of specialist retailers in North America and Europe with its MX-R5 for the Canon EOS R5, followed by the MX-A1 for the Sony Alpha 1. Today, the brand is distributed internationally, with a growing presence in specialist underwater photography shops.
On all Marelux housings, the O-rings are a distinctive fluorescent green. It’s not just a matter of aesthetics: a grain of sand, a hair, or a smear of sun cream on a black O-ring can very easily go unnoticed. On a bright green seal, even the tiniest foreign object stands out. This attention to detail perfectly illustrates the brand’s philosophy: thinking about what really happens underwater, not just in a catalogue.
Marelux has redesigned the decompression valve of its vacuum system: whereas most competitors use a push-button (which is easy to trigger accidentally when replacing the cap after pressurisation), Marelux has opted for a pull-to-release system. To release the pressure, you must pull — not push. It is impossible to cause an accident through clumsiness during preparation. Combined with the moisture detection alarm fitted as standard on all models, this provides a solid line of defence for your housing.
Black housing, brushed aluminium, Yale blue, olive green, burgundy, silver grey... Marelux offers up to six finishes depending on the model. Beyond the aesthetic choice, this allows you to instantly spot your equipment in a rinse tank or on the deck of a boat amongst several divers. A practical advantage that photographers on diving trips appreciate.
The MX-R5 is the grip that put Marelux on the international map. Designed to get the most out of the Canon EOS R5’s 45MP sensor, it provides access to all the camera’s controls at depths of up to 100m, with ergonomics designed for use with diving gloves. Compatible with Nauticam N120 ports via an adapter ring, it integrates into an existing system without having to start from scratch. → See also: Ikelite housings for Canon
For divers specialising in underwater wildlife photography — pelagic fauna, sharks, cetaceans — the Sony A1, with its real-time autofocus and 30 fps frame rate, has become the benchmark. The Marelux MX-A1 housing harnesses all its capabilities, with a fibre-optic flash trigger compatible with INON, Sea & Sea, Retra and others. → See also: Sony mirrorless cameras
Marelux hasn’t limited itself to photography. The MX-FX3 is aimed at underwater videographers working with the Sony FX3 or FX30, compact cinema cameras highly sought-after for documentary productions and high-quality diving vlogs.
For recreational divers looking for a high-quality aluminium housing for a high-performance compact camera: the MX-RX100M7 goes down to 100 m with the Sony RX100M7, one of the most popular expert compact cameras in underwater photography. A gateway into the Marelux world without having to go via a hybrid camera.
→ See also: underwater camera arms and mounting systems | Nauticam housings | INON & Sea & Sea underwater strobes
Even with the clearly visible green O-rings, an inspection before every dive remains essential. Clean the seals with fresh water, apply a thin layer of specific silicone grease (never petroleum-based Vaseline), and check that there are no particles in the groove. The Marelux vacuum system confirms watertightness before immersion — but does not replace this manual check.
Rinse immediately with fresh water, with the housing closed, for at least 5 minutes. Avoid opening the housing immediately after emerging from the water — the temperature change causes condensation. Allow it to return to room temperature before opening.
Marelux housings are fitted with standard fibre-optic outputs (dual, on the top panel) and are compatible with the Marelux trigger for fibre-optic triggering. Compatibility has been verified with INON Z330, Z240, Sea & Sea YS-D2J and YS-D3, Retra Flash Pro X, Ikelite DS161, Backscatter MF-1, Kraken, Weefine and others. Check with your dealer for less common strobes.
Marelux embodies a clear vision: underwater camera housings designed by divers who take photos, for divers who take photos. If you’re still undecided between several brands, please don’t hesitate to contact the Diveavenue.com team — we know the products we sell and will be delighted to guide you towards the right setup for your housing, your lenses and your diving style.