Selling seafood isn’t like running a typical grocery store. When your inventory goes from dock to display in hours — not days — there’s no room for guesswork, manual logs, or systems that can’t keep up.
Modern point of sale (POS) systems help you stay organized, price accurately, and keep inventory moving while it’s still sellable. Learn what to look for in a seafood market POS software and explore four of the best providers for fish markets.
What To Look for in a Seafood Market POS System
Seafood operations move fast, and the right POS system makes sure your shop can keep up. From variable pricing to strict traceability, your tools need to match the way seafood is handled, sold, and regulated.
Here’s what to look for in the best seafood market POS software:
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Manage catch weight pricing: Support variable pricing by weight, unit, or catch size — ideal for whole fish, shellfish, or fillets sold by the pound or kilogram.
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Track inventory by lot or origin: Monitor where each item came from, when it was received, and how it's used or distributed — essential for recalls, rotation, and compliance.
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Integrate with commercial scales: Weigh products at checkout or prep with auto-calculated pricing and direct label printing.
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Generate barcode labels on the spot: Print barcodes for both fresh and frozen seafood, including details like catch date, product type, and sell-by information.
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Support multilocation inventory: Sync stock across boats, cold storage units, and storefronts so you always know what’s available and where.
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Enable mobile or tablet checkout: Speed up outdoor sales at fish markets, pop-up events, or dockside locations using portable hardware.
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Run in offline mode: Keep your cash register working even without a cellular connection; transactions will sync automatically when service returns.
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Provide traceability tools for compliance: Store and report catch origin, species, harvest method, and supplier information to meet U.S. Food and Drug Administration (FDA) and National Oceanic and Atmospheric Administration (NOAA) requirements.
These features help you manage product quality, label items correctly, and track stock levels accurately across all storage locations.
4 Best Seafood Market POS Software Solutions in 2025
Ready to weigh your seafood market pos software options? Let’s explore four of the best systems.
Each one supports features like weight-based pricing, labeling, and inventory tracking — but their strengths vary depending on your sales model, store size, and setup.
1. MarktPOS
Markt POS is built for specialty retailers, including seafood markets that deal with changing weights, fast-moving products, and detailed labeling rules. It connects with scales, prints labels with catch information, and keeps inventory updated between storage and the sales counter.
Key Features:
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Calculate pricing by weight or unit using integrated scales for accurate transactions.
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Print custom labels that include species, harvest method, origin, and expiration date.
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Track inventory by lot number, source, and storage location across your entire operation.
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Run loyalty programs with built-in tools to reward frequent customers and drive repeat sales.
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Store detailed catch and supplier data to meet Hazard Analysis and Critical Control Points (HACCP) plan requirements.
Markt POS is an excellent fit for mid-sized seafood retailers and fish markets that manage complex sourcing and track inventory across multiple storage and sales locations.
Pricing:
We offer three monthly pricing tiers, with each level unlocking access to more advanced features, including tools like price checkers and multi-store support. You can also build a custom POS system on our site to tailor a system that fits your workflow and budget.
Customer Reviews:
“Markt POS support is extremely helpful and responsive to our questions. They have helped us continuously keep our system up and running and create solutions for our business needs. The service has been top-notch!” — Joanna Alexander, Jo’s Local Natural Foods
“Great company, customer service is just great! They follow up when they say, they do what they say! And sometimes, they just follow up to see if you still need them.” — Dion Tsevdos, The Cheese Shop
2. Shift4 (Revel Systems)
Shift4 is a cloud-based solution with the flexibility to support seafood retail needs. It’s not purpose-built for seafood, but its modular setup and strong backend tools make it a good fit for stores with existing infrastructure.
Key Features:
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Follow sales and stock levels as they change across departments or locations
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Customize pricing for catch weight items and offer prep-style modifiers
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Connect to third-party hardware like scales, printers, and payment terminals without replacing your current setup
This system works for seafood markets that already have reliable tech in place and want a flexible POS system that can scale with their setup.
Pricing:
Shift4 provides custom pricing tailored to your specific setup, so contact their team for a quote. That way, you can ask about features like scale integration, mobile checkout, and multi-location support, and find the solutions that best fit your business.
Customer Reviews:
“The website builder was easy to use, as was the promise of a one-stop shopping place for my web hosting and credit card processing sounded great.” - Bret C.
“I love Shift4! My POS system is so nice and it’s easy to use! There are so many different features on the POS system. The website has many awesome features, such as creating a website for your business and designing your own gift cards. You can even design your receipts. I’m so glad I made the change to Shift4. Highly recommend!” - Shawna Ball.
3. IT Retail
IT Retail is a grocery-focused POS system with built-in features for fish markets and meat departments. It’s designed for stores that sell both fresh seafood and general grocery items, offering the right mix of scale integration, labeling, and payment flexibility.
Key Features:
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Connect directly to deli scales for automatic pricing and label printing at checkout.
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Print barcodes and custom labels with catch weight, product type, and sell-by dates.
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Accept EBT/SNAP and other payment types to support customers using food assistance programs.
IT Retail is a solid choice for markets that need seafood-specific tools but still run a full grocery operation.
Pricing:
IT Retail offers three main packages tailored to different business sizes. Each one includes essentials like onboarding, mobile access, and integrations. Extras like loyalty tools or vendor pricing imports vary by plan, so seafood markets can choose what best fits their setup.
Customer Reviews:
“Excellent support by the team, really an asset to the company, and superb patience in understanding customers’ queries. I highly recommend working with IT Retail.” - Rakesh P. from Maharaja Supermarket
“Great POS System and hardware for my grocery store. I was skeptical about it, if it would be easy to learn, but it’s a great POS System, very easy to learn and understand, and the hardware is great, too.” - Alicia Ortiz
4. KORONA POS
KORONA POS is a flexible retail system built for businesses that sell in multiple locations or on the move. It’s not an industry-specific seafood market POS software, but it supports lot-level tracking, mobile checkout, and detailed reporting — useful for seasonal seafood sellers or vendors at markets and events.
Key Features:
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Set up lot tracking and audit trails to trace products by batch and monitor expiration dates.
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Generate custom inventory and sales reports to track trends by location, time, or event,
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Enable mobile checkouts with handheld or tablet-based POS tools for outdoor sales and dockside pickups.
KORONA POS is a reliable option for seafood vendors who move between locations or need tools that can adapt to seasonal demand.
Pricing:
KORONA POS offers monthly pricing with no long-term contracts. Start with core retail features and add tools like inventory tracking or mobile checkout as needed. Seafood sellers can pick only the features they use, with hardware and payment processing sold separately.
Customer Reviews:
“Every question I had, his answer was ‘yes, we can do that’. It works very smoothly. Every ticket scans perfectly, every turnstile spins perfectly. So the solution works really, really well.” - Klaus, Rocky Top Mountain Coaster
“The benefits are the system’s ease of use, which makes training staff faster. It also helps when dealing with large crowds. The cloud-based back office is easy to navigate as well. It is ideal for the small business owner.” - Clifford, Party On
Future-Proof Your Seafood Market With the Right POS System
Most POS systems aren’t built for the fast pace of seafood sales. If you run a fish shop, you need seafood market POS software that matches the way you work.
Markt POS has built-in tools for catch weight pricing, inventory across multiple locations, and labeling that meets compliance rules. Whether you’re selling fresh, frozen, or packaged products, it helps keep operations simple and organized.
Want to see what the right seafood market POS software can do for your business? Use our Build and Price Tool to customize a solution that fits your operations — and keeps your products moving fast.
by Luke
