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Protection against our favorite element, water. Our lenses are designed with a shield to help prevent any optical distortion stemming from water buildup.


Keeps your lens clean. Our lenses include an oil-resistant coating to help avoid smudging or fingerprint marks from distorting your field of view.


In the shop or on your commute to the beach, our anti-static protection helps prevent any dirt, dust or small particles from sticking to your lens.


Helps prevent scratches. A scratch-resistant coating that helps ensure our lenses stand up to your active lifestyles.

The Costa Mariana Trench 500 eyeglasses are a contemporary choice for any occasion. Featuring a sleek square shape and made with durable acetate, these tortoise-colored frames combine performance and functionality. Elevate your look with the Costa Mariana Trench 500, perfect for those who value both timeless style and unparalleled quality.

Model name: Mariana Trench 500
Item no: 6A2009 200902 54-17
Frame colour: Tortoise
Frame fit: Wide
Size: S
Lens curve: Base 4
Size Fit Guide 1 Size Fit Guide 2
1. Frame Width:
128 mm
1. Frame Width:
132 mm
2. Bridge Width:
17 mm
2. Bridge Width:
17 mm
3. Lens Width:
54 mm
3. Lens Width:
56 mm
4. Lens Height:
45 mm
4. Lens Height:
46.7 mm
5. Temple Arm Length:
140 mm
5. Temple Arm Length:
140 mm

Wide Fitting

A large lens front designed to fit those with a wide head.

4 Base Curve

P4 Base Curve - Medium Coverage

Frames with medium-coverage and wrap that value style but still perform.

Wide Fit

Forgot Your Ruler?

Use this handy guide to gauge the fit you're looking for.


All the Way?

You might be looking for a small or medium frame.


Middle Pegs?

You might be looking for a medium or large frame.


Last Two Pegs?

You might be looking for an x-large frame.

Mariana Trench 500

Mariana Trench 500

Cork Case

Soft Case