Portugal is the seventh safest country in the world according to the 2024 Global Peace Index. Violent crime against tourists in the Algarve is rare. The risks that actually affect your holiday are smaller and more predictable: the sun, the sea, the slip on the cobblestones, the wallet left on the beach. Here is what actually matters.

The Sea: Currents, Cliffs, and the Flag System

Portuguese beaches use a flag system. Green means safe. Yellow means caution — swim but stay within your depth. Red means do not enter the water. A double red flag means the beach is closed. The flags are enforced and the fines are real. The Atlantic currents on the western Algarve — from Sagres up to the Costa Vicentina — are strong and can drag swimmers out quickly. The beaches on the southern coast, from Lagos to Tavira, are generally calmer. The cliff collapses that make headlines every few years almost always happen to people sitting directly under overhanging rock. Do not sit under overhanging rock. The signs are there for a reason. The reason is gravity.

The Sun: Dehydration and the Afternoon Slump

The Algarve in July and August hits 30-35°C. The sun between midday and 3pm is intense enough to burn fair skin in twenty minutes. SPF 30 minimum. Reapply after swimming. The heatstroke symptoms — headache, dizziness, nausea, confusion — are easy to miss because they feel like tiredness. They are not tiredness. Drink water before you feel thirsty. The Portuguese tap water is safe to drink. Carry a bottle. The cheapest water is from the supermarket, not the beach bar. The beach bar charges €2 for a small bottle. The supermarket charges €0.40 for a large one.

Petty Crime: What Actually Happens

The Algarve is not Barcelona or Rome. Pickpocketing is uncommon. Theft from rental cars is more common. Do not leave valuables visible in a parked car. Do not leave anything on the beach when you swim. A towel, a book, and a €1 flip-flop are fine to leave. A phone, a wallet, and a camera are not. The thieves on beaches work quickly and target unattended bags. The simplest and most effective precaution: only one person swims at a time. The other sits with the bags. This costs nothing and works every time. The police — the GNR in rural areas, the PSP in towns — are professional and generally speak some English. The emergency number is 112.

What is the one thing that went wrong on a holiday that you could have prevented — and what do you do differently now?

Explore more Portugal travel guides.