Skip to main content
MAKE THE MOST OF YOUR FSA BENEFITS BEFORE 12/31
  1. Home
  2. Prescription Eyeglasses
  3. Mariana Trench 400

Mariana Trench 400

 Bio-based material RX available
https://assets2.costadelmar.com//8056597852852__001.png?impolicy=6S_resize
Mariana Trench 400
Mariana Trench 400
Mariana Trench 400
Mariana Trench 400
Mariana Trench 400
Mariana Trench 400
Mariana Trench 400
Zoom in Zoom out
Zoom in
Size :
​ Check size guide and fit guide
This is the most sold size
Estimated Delivery Date:
 
$186.00
View full details
​
Water-repellant

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

​
Anti-smudge

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

​
Anti-static

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.

​
Scratch-resistant

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

Our Mariana Trench collection goes the distance for those seeking carefree comfort with lightweight, handcrafted acetate and Monel ® frames. The line also offers a wide variety of sea-inspired colors in on-trend styles.

Model name: Mariana Trench 400
Item no: 6A2004 200402 57-18
Frame color: Salt Marsh
Frame fit: Regular
Size: L
Lens curve: Base 4
Size Fit Guide 1 Size Fit Guide 2
M L
1. Frame Width:
131 mm 		1. Frame Width:
135 mm
2. Bridge Width:
18 mm 		2. Bridge Width:
18 mm
3. Lens Width:
55 mm 		3. Lens Width:
57 mm
4. Lens Height:
42.2 mm 		4. Lens Height:
43.7 mm
5. Temple Arm Length:
140 mm 		5. Temple Arm Length:
140 mm

Regular Fitting

A large lens front designed to fit those with an average-sized head.

4 Base Curve

P4 Base Curve - Medium Coverage

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

Regular Fit
Regular

Forgot Your Ruler?

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

S
M

All the Way?

You might be looking for a small or medium frame.

M
L

Middle Pegs?

You might be looking for a medium or large frame.

XL

Last Two Pegs?

You might be looking for an x-large frame.

Mariana Trench 400

Mariana Trench 400

Cork Case

Soft Case

SPECIAL OFFERS

Free Responsible Shipping
Free Expedited Shipping On RX
COSTA PRESCRIPTION SALE
BUY ONE, GET 50% OFF SECOND PAIR
GET UP TO $40 OFF SELECT STYLES

SEE WHAT’S OUT THERE

Discover the features that enhance life on and off the water.

EXPERIENCE THE COSTA DIFFERENCE-The same optical clarity you’ve come to know, and love, from Costa.

EXPERIENCE THE COSTA DIFFERENCE

The same optical clarity you’ve come to know, and love, from Costa.

COMFORTABLY LIGHT-An Ultrathin Bio-Resin™ nylon frame material perfect for use on & off the water.

COMFORTABLY LIGHT

An Ultrathin Bio-Resin™ nylon frame material perfect for use on & off the water. 

FOR ALL WATERY ADVENTURES-Crisp lenses, durable frames, more adventures. Costa Optical delivers wherever the waves take you.

FOR ALL WATERY ADVENTURES

Crisp lenses, durable frames, more adventures. Costa Optical delivers wherever the waves take you. 

 
​

Book an eye exam

Don't have a valid prescription?

Start here

​

Free pick up in store

Order online and pick up from one of our Sunglass Hut stores in just 2 business days!

Find a store

​

Backed by Warranty and Repairs

Our leading Warranty and Repair programs help you fix or replace your Costa so you can get back on the water, fast.

Learn More

​

Free Green Shipping Over $50 Purchases

We'll ship with logistics providers using sustainable solutions to reduce climate impact.

Learn More

​

Free Returns

We want to make sure you get the perfect pair of Costa Sunglasses, which is why we offer Free Returns on qualifying CostaDelMar.com orders. Custom products cannot be returned

Learn More