• Portion of Glenarm Salmon by Rockfish
  • A portion of Salmon fillet from Rockfish Online Seafood Market on a piece of marble
  • A portion of Glenarm Organic Salmon fillet from Rockfish Online Seafood Market on a piece of marble
  • A portion of Salmon from Rockfish Online Seafood Market cooked on a plate next to some rice.

Glenarm Organic Salmon - Frozen

This is the best tasting salmon we've ever sampled with world class sustainability credentials.

£8.95
£8.95

Only premium fish is selected

Prepared within hours of being landed

Sent direct from the quayside

Glenarm Organic Salmon - Frozen specs

Portion Size:
Min 140g
Serves:
Serves 1
Skin on:
Yes
Can I freeze it?
Yes
Latin name:
Salmo salar
Allergen:
Fish
May contain:
Crustacean, Mollusc

Cooking instructions

Oven Roast

HOW TO OVEN ROAST A WHOLE FISH: Fish likes heat. Preheat your oven to 220˚C/200˚C Fan/425˚F/Gas Mark 7. Rub your fish with olive oil, then salt, and make a few slashes in the flesh, right down to the bone – diagonal slashes look good.  Add some rosemary or thyme to the slashes if you have some to hand or stuff the herbs into the cavity of the fish.

Put the fish on a roasting tray and place in the oven.  As a guide, (all ovens are different, you know yours better than me) a 450g whole fish will feed 1 person and take around 12-15 mins to cook.  A 1 – 1.2kg fish, serving 4, will take around 30 minutes. 

To make an instant sauce add the following to the baking tray:  chopped fresh tomatoes, a pinch of dried chilli flakes, a good splash of white wine, a few slivers of sliced garlic, and herbs such as thyme, bay, parsley or chives. Serve the cooked fish with lemon wedges.

 

HOW TO OVEN ROAST A CHOP/CHUNK OF FISH: Fish likes heat. Preheat your oven to 220˚C/200˚C Fan/425˚F/Gas Mark 7. Rub your fish with olive oil, season with salt and place in a roasting dish. Place in the preheated oven for 10 minutes, then remove from the oven and spoon 2tbsp of Rockfish flavoured butter over the fish. Put back in the oven for 5 minutes and then remove. Put your fish on a plate and pour over the warm butter from the roasting dish.  

Delivery

Order by 2pm Monday–Thursday or 12pm Friday for next-day seafood delivery to your door.

Minimum spend: 
£18 (Tinned/Books)
£30 (Fresh or Frozen Fish)

Delivery rates:
Orders under £49.99 – £6.50
£50–£84.99 – £3.50
£85+ – Free

Royal Mail (Tinned & Books only): £3.50 delivery / Free over £85
Isle of Wight (selected areas): £10

You can select a future delivery date for non-fresh orders, and Pre-12 delivery is available at checkout.
DPD delivers UK Mainland only, excluding the Scottish Highlands and Islands.

Click and collect

With Click & Collect, you can order the day’s freshest seafood online and collect it for free from your nearest Rockfish restaurant. Your order will be carefully portioned, vacuum-packed, and stored in our temperature-controlled boxes, ready for you at your chosen time. It’s a simple way to enjoy market-fresh fish at home, with no delivery charge — and every collection also comes with a 10% off dining voucher to use in the restaurant.

Reviews

Freshness guarantee

We’re dedicated to delivering only the finest premium seafood—so fresh, it sets a new standard, even with our frozen fish. Your satisfaction is our priority, which is why we offer a money-back guarantee if you’re not happy with your order.

Farmed

Boneless

Raw

View full details
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Video

Glenarm Organic Salmon - Frozen Recipes

Olive oil Glenarm salmon with mousseline potatoes
Olive oil Glenarm salmon with mousseline potatoes
Glenarm salmon filleted by Rockfish
Mitch Tonk's Salmon Steaks with Sauce Picante

About Glenarm Organic Salmon - Frozen

Glenarm organic Salmon is a premium portion of Atlantic salmon sourced from cold, clean waters to ensure consistent quality. Each cut is taken from the thickest part of the fillet, providing a firm texture and even marbling. The fish are raised under carefully monitored conditions and processed shortly after harvest to maintain freshness and preserve natural omega-3 content.

This portion is noted for its deep, natural colour and balanced fat content, which give it a clean taste and moist finish when cooked. Glenam’s strict handling and traceability standards ensure a product that meets high standards for purity and sustainability, making it a dependable choice for both raw and cooked preparations.

Glenarm Organic Salmon - Frozen

Why is Rockfish fish so fresh?

We’ve secured an allocation of this exceptional organic salmon direct from the Glenarm fishery. The fish are harvested and sent to us within hours, where our skilled fishmongers carefully prepare them into beautiful portions ready for our market.

Why do serve salmon?

We’ve partnered with Glenarm Organic Salmon, a producer working in harmony with the sea, to bring you a fish that checks every box. In our latest blog, we explore how this salmon is raised in energetic coastal waters, fed natural diets, and harvested with care so that each fillet delivers clean, juicy flakes unlike anything we’ve tasted before. Want to discover why we’ve waited so long to bring salmon back? Dive into the full story now.

Salmon blog

How is the fish prepared?

To maintain peak freshness, we portion and vacuum-pack every piece of seafood on the same day it’s landed. This keeps the fish in pristine condition, clean, and easy to handle for cooking. Whether it’s destined for our restaurants or your home, you can trust that Rockfish fish is as fresh as it gets—straight from the sea to your table in record time.

Glenarm Organic Salmon

How does my fish arrive?

Your fish portions are individually vac packed which keeps the fish pristine, easy to handle, and completely odour-free, making unpacking and storing a breeze. All of the fish clearly identifies the boat that caught it giving full traceability and links you to cooking instructions.

OSM seafood delivery contents

Sustainable packaging

We also take pride in our sustainable packaging. Our delivery boxes are made from recycled plastics, offering strength and excellent insulation to keep your seafood perfectly chilled throughout its journey to your home. Our boxes are so good your order will stay cold for up to 48 hours which is much longer than your order will take to arrive to you.

You can even return your box to us, and we’ll work with our recycling partner to transform it into outdoor furniture—creating a sustainable loop for your order.

Stay informed

Our fish market changes daily, reflecting the freshest catch straight from the boats landing in Brixham. Stay in the know by joining our mailing list for daily catch updates, plus the latest news and exclusive offers.

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Large Bream from Rockfish

Freshness guarantee

We stand by the quality of our seafood with a Freshness Guarantee. If you’re not completely satisfied with the freshness of your fish, we’ll refund your purchase—no questions asked

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Our view on sustainability