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About Mares MV Octopus

Octopus MV was created from the experience of the Mares Laboratories, directly as a dedicated Octopus. The MV Octopus is a Lightweight, Minimum Dimensioned, and its Characteristically Compact Shape, makes the MV Easy to Dive with. The Special Symmetrical Shape means the Octopus is Equally Easy to use on the Right or the Left, for Increased Safety.

The MV Octopus Second Stage with its Vortex Assist Design (V A D ) System: all Mares second stages offer the unique patented VAD system. The air bypass tube conveys air to the mouthpiece creating a swirling vortex with a low pressure area in the center this keeps the diaphragm down during inhalation, giving very sensitive and easy breathing at all depths.

The MV Octopus Case is made from Sturdy and Durable Techno-Polymer Material that has Superior Resistance to Abrasion. The MV Octopus is a Reliable, and Simple Downstream Demand Valve Design Octopus Regulator is available with a Standard 3/8" Threaded Yellow 39.4" (100 cm) Hose, weighs 6.17 oz (175 g), comes with a Comprehensive Owner's Manual and is covered by a limited lifetime warranty.

The Mares MV Octopus is commonly used for As Primary, Cold Water, Last Resort, Upgrading Equipment, Warm Water and more. The Mares MV Octopus is most used by customers who consider themselves to be a Advanced, Advanced Diver, Casual/ Recreational, Divemaster, Professional, Recreational Diver among others. The Mares MV Octopus is popular because customers like the following qualities of the Mares MV Octopus: Comfortable, Comfortable Mouthpiece, Does not leak, Easy To Connect, Easy To Retrieve, Easy To Use, Reliable, Slim design.

Warranty Information

This product has a limited warranty of 24 months.

www.mares.com
(800) 323-0465

Mares MV Octopus Features

  • Mares MV Octopus
  • Designed Directly as an Octopus
  • Symmetrical Shape: Left or Right Hand Usable
  • Light and Compact
  • Vortex Assist Design (V.A.D.) System
  • Case: Sturdy and Durable Techno-Polymer
  • Case has Superior Resistance to Abrasion
  • Reliable, and Simple Downstream Demand Valve Design
  • Yellow 39.4" (100 cm) Hose
  • Hose Thread: 3/8"
  • Weight: 6.17 oz (175 g)
  • Comprehensive Owner's Manual
  • Limited Lifetime Warranty

Mares MV Octopus Specifications

2'Nd Stage Type
Downstream Demand Valve
Materials
Case: Techno-Polymer
Hose Thread
3/8"
Hose Length
39.4" (100 Cm)
Total Weight
6.17 Oz (175 G)
Weight [with packaging]
1.65 lb
Mfr #
SKU
MRSMVO

MV Octopus Customer Reviews

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Mares MV Octopus
 
4.2

(based on 44 reviews)

Ratings Distribution

  • 5 Stars

     

    (21)

  • 4 Stars

     

    (13)

  • 3 Stars

     

    (8)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (2)

95%

of respondents would recommend this to a friend.

Pros

  • Slim design (30)
  • Comfortable mouthpiece (25)
  • Easy to retrieve (23)
  • Easy to connect (22)
  • Easy to use (21)

Cons

  • Free flow issues (4)

Best Uses

  • Upgrading equipment (12)
  • Last resort (9)
  • Warm water (6)
  • Cold water (5)
  • As primary (4)
    • Reviewer Profile:
    • Casual/ recreational (13), Recreational diver (9), Advanced (7), Advanced diver (7), Divemaster (4)
    • Diving Type:
    • Open water diving (32), Night diving (19), Wreck diving (18), Drift diving (16), Outdoor professional (7)
    • Was this a gift?:
    • No (20)

Most Liked Positive Review

 

Pretty nice for the price

Divers, be aware that this is not your primary second stage! Air flow will feel a little "restrictive", but the Mares MV Octopus fills the bill as a reliable secondary...Read complete review

Divers, be aware that this is not your primary second stage! Air flow will feel a little "restrictive", but the Mares MV Octopus fills the bill as a reliable secondary air source. The best part is that there is no need to switch it right side up when offering air to your buddy - it's breathable and functional, both ways! The Mares MV Octo is compact and lightweight; perfect for dive travel. The lightweight design may, in fact, feel different; not as comfortable (as I'm used to anyway), though not uncomfortable either. Just seems a little "stiff". I think it just takes a little getting used to, and in time, I'll love it. My husband has the exact same thing, and he cannot be happier. In general, this is an innovative design and a good buy for the buck.

VS

Most Liked Negative Review

 

Backup but not primary

I'm used to a really greate Mares regulator that is smooth all the way to 90/100 feet. Perhaps I am spoiled, but this little guy becomes laborous at about 35 feet. It...Read complete review

I'm used to a really greate Mares regulator that is smooth all the way to 90/100 feet. Perhaps I am spoiled, but this little guy becomes laborous at about 35 feet. It works great as a back up, but for the money it's a great little life saver. Practice with it and you'll know what to expect. Don't expect it to draw a breath like the $500 regulators! Let's hope nobody needs to ever use it!

Reviewed by 44 customers

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Displaying reviews 1-5

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5.0

The Octopus MV is outstanding...

By bk

from cleveland, Oh

About Me Casual/ Recreational

Verified Buyer
Staff Reviewer

Pros

  • Comfortable Mouthpiece
  • Easy To Connect
  • Easy To Retrieve
  • Easy To Use
  • Reliable
  • Slim Design

Cons

    Best Uses

    • Last Resort
    • Upgrading Equipment

    Comments about Mares MV Octopus:

    well designed octo that is very reliable and can be counted on when needed.

    • Diving Type:
    • Open Water Diving
    • Was this a gift?:
    • No

    Comment on this review

    (0 of 1 customers found this review helpful)

     
    1.0

    Poor quality

    By Gabe

    from Chicago, IL

    About Me Professional

    See all my reviews

    Pros

      Cons

      • Free Flow Issues
      • Unreliable

      Best Uses

        Comments about Mares MV Octopus:

        I bought this octo to use during my Divemaster program because it seems to be required to teach OW students. As I was inflating my surface marker at the end of a dive yesterday, the purge tab (no purge button; it's a cheap plastic tab) got stuck and it free flowed. I would recommend buying a better-quality octo.

        • Diving Type:
        • Open Water Diving
        • Was this a gift?:
        • No

        Comment on this review

         
        3.0

        O-ring arrived broken

        By Kate

        from Albuquerque, NM

        About Me Casual/ Recreational

        Verified Buyer

        Pros

        • Slim Design

        Cons

        • It Was Broken

        Best Uses

          Comments about Mares MV Octopus:

          I had bought a used 1st and 2nd stage on here as well as this octopus, I took them in to be serviced after I received them to make sure I was good to go when diving. They said the octopus had a cracked O-ring but it was an otherwise good back up (I had just taken it out of the box after getting it from Leisure Pro)

          • Diving Type:
          • Open Water Diving
          • Was this a gift?:
          • No

          Comment on this review

           
          3.0

          Perfect with flaws :)

          By Jon

          from Las Vegas

          About Me Professional

          Pros

          • Comfortable Mouthpiece
          • Easy To Connect
          • Easy To Retrieve
          • Easy To Use
          • Slim Design

          Cons

          • Free Flow Issues

          Best Uses

            Comments about Mares MV Octopus:

            Its a great little Octo, and for the price it cannot be beat. The hose that comes with the reg is bright yellow and easy to see, however, its very long and stiff. After connecting the octo to my quick release bcd, I also added a second clip to the bottom d ring to hold the hose down to my side. It comes with a little mouthpiece insert and the idea is great, however, it seems to free flow when the insert is in and clipped...

            the design is nice...fits very slim to my body and I dont even notice its there.

            • Diving Type:
            • Cave Diving, Drift Diving, Night Diving, Open Water Diving, Rescue Diving, Wreck Diving
            • Was this a gift?:
            • No

            Comment on this review

             
            5.0

            Slimline, easy to use does what it says

            By Scogar

            from Boston

            About Me Casual/ Recreational

            See all my reviews

            Verified Buyer

            Pros

            • Comfortable Mouthpiece
            • Does Not Leak
            • Easy To Connect
            • Easy To Use
            • Reliable
            • Slim Design

            Cons

              Best Uses

                Comments about Mares MV Octopus:

                This is a simple slim line octo. It is comfortable and easy to retrieve and the 180 degree positioning makes it a super simple loaner for air emergencies. It doesnt free flow and the purge is easy to use in my experience. I added the Blue reef yellow flex hose and it was a great addition as removed a tone of weight from the rig. The mouth piece plug it comes with is perfect! the plug secures the reg and has loop for attaching to my BCD the octo remains secure and easily deploy-able. It isnt the easiest breather but it is an Octo and performs well as one but the features make it an amazing choice.

                • Diving Type:
                • Night Diving, Open Water Diving
                • Was this a gift?:
                • No

                Comment on this review

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                Shopper  Why Did You Choose This?
                WILLIAM G  for a reasonably priced octo
                Shopper  Why Did You Choose This?
                WILLIAM G  for a reasonably priced octo
                Shopper  Why Did You Choose This?
                WILLIAM G  for a reasonably priced octo
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