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Fathom 4 Insulated Cooler Bag, Salmon 44"L x 12"W x 18"H

Regular price $269.00 USD
Regular price Sale price $269.00 USD
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Shipping calculated at checkout.

Dimension: 44"L x 12"W x 18"H


Opah proudly unleashes Fathom 4, a premium UV resistant fishing cooler bag that is 100% waterproof. That’s right! No more leaks!

Fathom 4 is made with marine-grade vinyl and utilizes an insulation system that allows for long term cold storage of approximately 85-quarts. No need for an ice chest with this quality fishing bag. Plus, every Opah cooler bag is fully washable and mildew-resistant for easy maintenance.

The Fathom 4 fishing cooler is designed to maintain its upright position while being filled and includes an interior waterproof pocket to store filets, beverages, or anything else you want to keep separate and cold. Exterior netting compartments and a spacious pocket with Velcro closure are perfect for storing fishing tools and accessories.

Product Description 

  • Product size: 44"L x 12"W x 18"H
  • Made from Marine Grade 18oz lead-free Vinyl Polyester
  • 100% leak proof design
  • UV and mildew resistant 
  • Fully Washable
  • 2” inch dense closed cell foam insulation acts as cooler for fish
  • Built in Drain Plug for easy drainage and cleanup
  • Interior Waterproof Fillet Bag ideal for fillets or beverages
  • Gusseted bottom keeps bag upright and maximizes storage capacity
  • Velcro enclosed pocket and exterior mesh compartments provide convenient storage for fishing gear and accessories
  • Non corrosive YKK zipper helps prevent spills
  • Heavy Duty Webbing Handles support weight of fishing bag, catch, and ice

*Note: Due to the high density of foam and the contour of the bag, the dimension of the bag may vary in Length, Width, or Height in the range of 2-4 inches.*  

Customer Reviews

Based on 9 reviews
Megan C
Fit my needs perfectly!

I am from Alaska, where cooler bags aren't used as often. I heard about Opah from a few friends that do salmon charters and knew I needed to give one a shot. The Fathom 4 makes Salmon fishing on my small boat so convenient. I can take the bag and put it right in my SUV without worrying about leaking. Ice lasts FOREVER! Awesome product!

Tim Spring
Fathom 4 bag

Well, it’s hard to put a good review out as of yet because the bag I received had leaks in the seams. I had to send it back and I’m currently waiting for a replacement.. Hopefully the next one doesn’t leak!

Good Insulation and works well

Probably the best insulation in a kill bag out there. It doesn’t fold up as flat as others but I’d rather trade that for keeping ice for 48 hours+. A little difficult to clean but that’s the nature of these bags.

Doug Price
Fathom 4

The bag is awesome!!! 5 star
Very well built, keeps ice all day.
I wish opah had a bag between the fathom 4 and fathom 5.

Myron Filipoff
Fathom 4

Perfect size for my small boat.