Spearfishing in the UK Is Better Than You’ve Been Told

Most people assume spearfishing is something you do on a warm-water holiday — Croatia, the Canaries, maybe somewhere with visibility measured in tens of metres rather than tens of centimetres. The UK, in this picture, doesn’t really feature. Cold, murky, uninviting. Why bother?

That assumption is wrong, and the people who’ve actually tried spearfishing in UK waters will tell you so pretty quickly. The British coastline holds some genuinely excellent diving — kelp forests off the Cornish coast, productive rocky reefs in Wales and Scotland, bass and pollock hunting around the Channel Islands. It’s different from tropical diving, absolutely. The viz is lower, the water is colder, and the wetsuit game matters a lot more. But different isn’t worse. Once you’ve stalked a good-sized bass through a kelp bed in seven metres of visibility and actually got it, warm-water spearfishing starts to feel almost too easy.

What Is Spearfishing, Actually?

Spearfishing is exactly what it sounds like — hunting fish underwater using a spear or speargun, on a single breath of air. Unlike scuba fishing, which is actually illegal in UK waters, spearfishing is done on freedive: you take one breath at the surface, descend, hunt, and return. It’s a combination of freediving technique, fish behaviour knowledge, and patience. The hunting instinct is real, but so is the conservation side — because you can see exactly what you’re targeting, selective and responsible harvesting is built into the sport in a way that rod-and-line fishing can’t always match.

In the UK, spearfishing is legal from the shore and from boats, with a few important restrictions. You can’t spearfish in freshwater — it’s saltwater only. You can’t use scuba equipment. Certain species are protected, and minimum sizes apply to everything else. Reputable instructors cover all of this in detail; it’s part of what separates a proper spearfishing experience from just handing someone a gun and pointing them at the sea.

What Does a Spearfishing Experience in the UK Involve?

A first spearfishing experience is almost always guided — and for good reason. You’re combining freediving with hunting in open water, and there’s a lot to get wrong if nobody’s shown you the basics. Most UK introductory sessions run for half a day to a full day, and they break down roughly into three phases.

First, land-based theory. You’ll cover safety — and this gets taken seriously because breath-hold diving carries real risk if people do stupid things. Shallow-water blackout is a genuine hazard for anyone who hyperventilates before a dive, and good instructors are clear about why certain habits will get you into trouble. You’ll also cover the legal framework, species identification, and how the equipment works.

Second, pool or shallow-water work. Most courses get you comfortable with the mask, fins, and wetsuit before you hit open water. You’ll practise duck-diving, equalisation, and basic breath-hold technique. None of this is Olympic-level freediving — you don’t need to be comfortable at 20 metres to have a productive spearfishing experience. Most of the fish worth targeting in UK inshore waters live in three to ten metres anyway.

Third, the actual sea. This is where it gets real. Your guide will take you to a site suited to your level — sheltered rocky ground, a reef section, somewhere with consistent fish presence. You’ll work on your approach technique (moving slowly, staying low, not kicking up a cloud of bubbles three metres above a fish you’re trying to hunt), and you’ll start to understand why spearfishing rewards patience over aggression. The fish can see you perfectly well. The ones that let you get close are the ones who’ve decided, for whatever reason, that you’re not a threat. Your job is to keep convincing them of that until you’re close enough to make a clean shot.

The Best Places for Spearfishing in the UK

Cornwall is probably the most well-established spearfishing destination on the mainland — the southwest peninsula has the Atlantic swell bringing clean water, decent kelp growth, and a solid bass and pollock population. The Lizard Peninsula in particular has a reputation among experienced UK spearo divers for its underwater terrain. Visibility on a good day can reach eight to twelve metres, which by UK standards is genuinely excellent.

Scotland is worth serious consideration for anyone who doesn’t mind cold water and remote coastline. The west coast around Oban and the Inner Hebrides offers some of the most biodiverse underwater habitats in the UK — the combination of deep sea lochs, tidal races, and minimal boat traffic means fish populations that have seen less pressure than most southern spots. Water temperatures sit around 8–12°C for much of the year, so a 7mm wetsuit isn’t optional. It’s cold. The fish don’t care about your comfort.

Wales — particularly Pembrokeshire — offers a good middle ground: accessible, some excellent rocky reef diving, and a coastline that’s well set up for shore entries. The Gower Peninsula is another solid option. Neither matches Cornwall or Scotland for fish density, but both have active local communities and guided experiences available.

Equipment: What You Actually Need

On a guided introductory experience, everything is usually provided — wetsuit, fins, mask, snorkel, weight belt, and the speargun or pole spear itself. For your own kit down the line, the wetsuit is the most important investment. In the UK, you want a minimum of 5mm, more likely 7mm for anything outside of July and August. Freediving-specific wetsuits — open-cell neoprene — are warmer and more flexible than scuba suits but require a bit more care to put on (vaseline or conditioner is a standard tip, and yes, it really helps).

Spearguns in the UK tend to be shorter than the weapons people use in warm, clear water — 75cm to 90cm is common for kelp diving where long shots rarely present themselves and manoeuvrability matters more. Pole spears are popular for beginners and shallow reef work. Neither is a significant outlay compared to, say, scuba gear.

Is It Safe?

Honest answer: spearfishing carries real risk, but almost all of it is manageable with the right training and sensible habits. The two genuine hazards are shallow-water blackout (which is why you never hyperventilate before a dive, and never dive alone) and the obvious one — you’re handling a loaded weapon underwater. Both are covered thoroughly in any good introduction course, and neither should put you off the sport. Tens of thousands of people spearfish in the UK every year without incident. The ones who get into trouble are usually the ones who skipped the training.

How to Find a Spearfishing Course or Guided Experience

The spearfishing community in the UK is relatively small and pretty tight-knit — which means quality varies a lot between providers, and word of mouth matters. The safest route is to use a platform that vets its activity providers. Adventuro lists spearfishing experiences across the UK from qualified instructors, so you’re not spending an afternoon Googling and hoping for the best.

Find a spearfishing experience or course in the UK on adventuro — filter by location, skill level, and session type to find something that fits.

Spearfishing in UK won’t give you 30-metre visibility and tropical water temperatures. What it will give you is a genuinely challenging, deeply satisfying experience in some of the most underrated underwater terrain in Europe. The cold water keeps the crowds out. That’s not a bug — it’s the whole point.