Best Underwater Camera Guide

At Seavu, we’re always testing the latest action cameras to find out which perform best underwater. Choosing the best underwater camera means balancing image quality, low-light performance, connectivity, app control, battery life, and ease of use. These are our top picks based on real underwater testing with Seavu kits, compatible with most GoPro and DJI models. Use this guide to choose the best underwater camera for your setup and capture clear, reliable live footage every time.

DJI Osmo Action 6
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Front view of the GoPro HERO13 Black, one of the best underwater cameras for Seavu kits and real-time viewing.
GoPro Hero13 Black
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Front view of the DJI Osmo Action 4, one of the best budget underwater cameras for Seavu kits and livestreaming.
DJI Osmo Action 4
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DJI Osmo Action 6

Best Overall

Compatible with:
Seeker Marine Kit, Explorer Adventure Kit, Explorer+ Pro Kit, Explorer+ Adventure Kit

Main Features:

  • Variable aperture f/2.0–f/4.0 for better exposure control underwater
  • Large 1/1.1″ square sensor for improved low-light performance
  • 4K video up to 120fps
  • Excellent underwater colour accuracy
  • Strong WiFi connectivity and app control
  • Great battery life with fast charging
  • Flexible framing thanks to the square sensor (ideal for reframing)

Pros:

  • Outstanding low-light performance
  • Variable aperture helps brighten deeper or dim water
  • Large sensor delivers cleaner detail and better dynamic range
  • Strong WiFi connection through Seavu kits up to 52m
  • Reliable and smooth control in the DJI Mimo app
  • Great colour reproduction for reefs, fish and marine landscapes

Cons:

  • No built-in GPS

Why We Picked It:

The DJI Osmo Action 6 delivers outstanding underwater performance thanks to its larger 1/1.1″ sensor and variable aperture, which together produce brighter, cleaner footage in low-light and deeper water. Colours stay natural and accurate, and overall clarity is noticeably better than most action cameras in this class.

Its WiFi connection is strong and dependable across all Seavu kits and cable lengths, delivering smooth live preview and responsive control on your phone or tablet. Battery life is excellent, charging is fast, and the DJI Mimo app remains the most user-friendly option for underwater live viewing.

With its combination of image quality, low-light capability, stable connectivity and ease of use, the Action 6 stands out as the best all-round underwater camera for Seavu kits.

Where to Buy

We recommend purchasing from the official DJI store or an authorised retailer to ensure full support and warranty coverage. Official bundles often include useful accessories and offer better overall value.

Purchase from DJI Official
Close-up of the GoPro HERO13 Black underwater, one of the best underwater cameras for Seavu kits and livestreaming.
Angled close-up of the GoPro HERO13 Black, one of the best underwater cameras for Seavu kits and underwater livestreaming.

GoPro Hero13 Black

Runner-Up

Compatible with:
Seeker Marine Kit, Explorer Adventure Kit

Angled close-up of the GoPro HERO13 Black, one of the best underwater cameras for Seavu kits and underwater livestreaming.

Main Features:

  • 5.3K video resolution at 60fps
  • Excellent low light performance
  • Reliable WiFi and Bluetooth connection for Seavu kits
  • HyperSmooth 7.0 stabilisation
  • Improved image detail and colour accuracy
  • Enduro battery for longer recording sessions

Pros:

  • Great video quality
  • Best in class stabilisation for smooth underwater footage
  • Strong WiFi connectivity and app control
  • Built-in GPS

Cons:

  • GoPro Quik app isn’t quite as user-friendly as DJI Mimo
  • Underwater colour balance isn’t as accurate as the DJI Osmo Action 6

Why We Picked It:

The GoPro HERO13 Black delivers outstanding image quality and stabilisation, making it perfect for capturing fast-moving underwater action. Its reliable WiFi connection ensures smooth control and live preview through Seavu kits, while the improved low-light performance keeps footage clear and sharp, even at depth. Colour balance isn’t quite as natural as the DJI Osmo Action 6, but overall sharpness and detail remain excellent. The built-in GPS adds useful tracking features for above-water activities such as deployment, but GPS signals do not work underwater. Combined with the easy-to-use GoPro Quik app, the HERO13’s performance and reliability make it one of the best underwater cameras for Seavu use.

Where to Buy

Buy from the official GoPro store or a trusted authorised retailer to guarantee full product support and warranty coverage. Official bundles usually include essential accessories at better value than buying individually.

Purchase from GoPro Official

DJI Osmo Action 4

Best Budget

Compatible with:
Seeker Marine Kit, Explorer Adventure Kit

Angled close-up of the DJI Osmo Action 4, one of the best underwater cameras for Seavu kits and affordable livestreaming.

Main Features:

  • 4K video at up to 120fps
  • Great low light performance
  • Reliable WiFi connection for live preview and control
  • Long battery life
  • Fast charging
  • Easy control through the DJI Mimo app

Pros:

  • Affordable without compromising quality
  • Excellent image performance in low light
  • Stable WiFi connection through Seavu kits up to 52m
  • Dependable app connectivity and control

Cons:

  • Slightly less image detail than later models in darker conditions
  • No built-in GPS

Why We Picked It:

The DJI Osmo Action 4 is the best budget underwater camera for Seavu users. Its reliable WiFi connection and great low light performance make it easy to capture clear, smooth footage even in deeper or cloudy conditions. Combined with the intuitive DJI Mimo app for full control and live preview, it delivers excellent results for anyone wanting professional underwater footage without the higher price tag. DJI also offers Official Refurbished units that are like new, making this camera an even better value for budget-conscious buyers.

Where to Buy

We recommend purchasing from the official DJI store or an authorised retailer to ensure genuine products and full warranty coverage. DJI often offers Official Refurbished cameras that are like new — a great budget buy with the same reliability and support as new models.

Purchase from DJI Official
Woman underwater filming with the DJI Osmo Action 4 on a selfie stick, one of the best underwater cameras compatible with Seavu kits.
Angled close-up of the DJI Osmo Action 4, one of the best underwater cameras for Seavu kits and affordable livestreaming.

Final Verdict

All three cameras in this guide are excellent underwater performers, each suited to a different budget and feature set. The DJI Action 6 delivers the best overall underwater footage, the GoPro HERO13 Black is a strong runner up with great image quality and built in GPS, and the DJI Action 4 is the best budget friendly option without giving up much on image quality. The DJI Action 5 Pro isn’t listed as a top pick simply because the newer Action 6 edged it out, but it is still an outstanding underwater performer and a smart choice if you want great results without the Action 6 price tag.

Seavu is not affiliated with DJI or GoPro and does not earn any commission from camera referrals. Our recommendations are based entirely on extensive in-house testing and feedback from our network of underwater enthusiasts and professionals.

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1. Definitions and Interpretation

1.1 Definitions

In this Agreement the following definitions apply:

  1. Ambassador means the key person set out in item 1 of SCHEDULE 1
  2. Ambassador’s Commission means the commission to be paid to the Ambassador by the Company for Ambassador referred sales as set out in SCHEDULE 4.
  3. Commencement Date means the date set out in item 1 of SCHEDULE 1;
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  5. Endorsement Services means the promotional and endorsement services provided by the Ambassador that are referred to in clause 3(a) and set out in SCHEDULE 2;
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  8. Promotional Material means the promotional material for the Products created by the Ambassador using the Intellectual Property, including name, likeness or signature of the Ambassador, and the photographs and video material including the Ambassador that the Ambassador creates as the result of the Ambassador providing the Endorsement Services;
  9. Term means the period of time described in clause 2 and item 3 of SCHEDULE 1;
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1.2 Interpretation

In this Agreement:

  1. a reference in this Agreement to a statute or a section of a statute includes all amendments to that statute or section passed in substitution for the statute or section referred to and incorporating any of its provisions;
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2. Commencement and Term

This Agreement commences on the Commencement Date and continues subject to any rights of early termination under clause 8 for a period of time set out in item 3 of SCHEDULE 1.

3. Endorsement and Promotion of Products

  1. The Ambassador agrees to:
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    2. use reasonable endeavours to promote the Products in a matter consistent with the authorised use of the Products on the Ambassador’s social media accounts and website;
  2. This Agreement does not affect or restrict the Ambassador’s right to advertise, endorse or promote any goods and services in the Territory that do not compete with the Company’s Products.

4. Intellectual Property

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5. Warranties

The Ambassador warrants during the Term of this Agreement that:

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6. Ambassador's obligations

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7. Company’s Obligation

  1. The Company agrees that it:
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8. Termination

  1. This Agreement may be terminated by the Company in any of the following circumstances:
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    2. upon the happening of any of the following insolvency events:
      1. a receiver, receiver and manager, administrator, liquidator or similar officer is appointed to the Company or any of its assets;
      2. the Company enters into, or resolves to, enter into, a scheme  or arrangement, compromise or composition with any class of creditors;
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      4. anything having a substantially similar effect to any of the events specified above happens under the law of any applicable jurisdiction.
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9. Indemnity

  1. The Ambassador agrees to hold the Company, its officers, agents, assignees and employees harmless from any liability from any injury, damage or claim suffered by the Ambassador arising from or relating to this Agreement and the Ambassador’s provision of the Endorsed Services.  

10. Dispute Resolution

  1. If a dispute arises in connection with this Agreement, a party may give the other party a notice specifying the dispute.
  2. Within 5 business days after the notice is given, each party may nominate in writing a representative to settle the dispute on its behalf.
  3. Within 7 business days after the notice is given, the parties must confer to resolve the dispute or to decide the method of resolving the dispute. Each party must use its best efforts to resolve the dispute.
  4. Unless the parties otherwise agree, the dispute must be referred to mediation if not resolved within 14 business days after the notice is given.
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12. Limitation on assignment

  1. The Ambassador must not assign all or any of its rights given to it under this Agreement without the prior written consent of the Company, which consent the Company may grant or not in its absolute discretion;
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13. Further agreements

Each party must execute such agreements, deeds and documents and do or cause to be executed or done all such acts and things as necessary to give effect to this Agreement.

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  6. Severance
    If any provision of this Agreement is void, illegal or unenforceable, it may be severed without affecting the enforceability of the other provisions in this Agreement.
  7. Jurisdiction
    This Agreement is subject to the laws of the State of Victoria with the Courts of the State of Victoria having exclusive jurisdiction over any disputes arising in respect of this Agreement.
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