Health & safety
Health and Safety in Costa Rica: What Actually Goes Wrong
Costa Rica is a reassuring place to travel and the statistics support that: good hospitals, drinkable tap water across most of the country, no army, low violent crime and a tourism industry with decades of practice. The risks that remain are specific and they are not the ones a nervous traveller researches. Almost everything that seriously harms visitors here involves the sea, an adventure activity or a road — three categories people treat casually precisely because the destination feels benign.
Updated 2026-08-15
Rip currents, which are the real danger
Drowning is the leading cause of death among foreign visitors to Costa Rica, and the mechanism is almost always the same: a rip current, on a Pacific beach, with no lifeguard present. Most beaches in the country are unpatrolled, the currents are strong and frequently invisible from the sand, and the beaches with the best surf are the ones with the strongest rips — which is the same fact stated twice.
The escape technique is counter-intuitive, which is why it needs saying rather than assuming. A rip is a narrow channel of water flowing seaward, and it does not pull you under — it pulls you out. Swimming straight back towards the beach means swimming against it and exhausting yourself, which is how strong swimmers drown. Instead: do not fight it, do not panic, float and let it carry you until it weakens, then swim parallel to the shore to get out of the channel, and only then swim in. If you cannot swim out of it, float and raise an arm.
The prevention is simpler still. Ask locally which beaches are safe to swim and where — the answer is specific and people will tell you readily. Swim where others are swimming rather than on an empty stretch. Do not swim at river mouths, where the current is worst. Do not swim after drinking, which features in a substantial share of incidents. And treat a beach with a warning sign as closed, not as a suggestion.
The adventure industry
The country's tourism model puts a great many inexperienced people on ziplines, whitewater rivers, canyoning routes, volcano hikes and ATVs, every day, and the safety record overall is good precisely because the industry is mature and largely well regulated. The risk is not the activities; it is the operator at the bottom of the price range.
Choosing well is a short conversation. Ask whether the operator is registered with the national tourism authority, what the guide-to-guest ratio is, what safety equipment is provided and inspected, and whether they carry insurance. Reputable companies answer in detail immediately; the ones that do not are answering. Never book an adventure activity from a beach tout or a hotel lobby card without checking who is actually running it, and be honest with yourself about your own fitness and any medical condition before the briefing rather than during the activity.
Two specifics worth naming. Volcano hikes and hot springs carry gas-emission and closure risks that are managed by the park authorities, so an area being closed is a real instruction rather than an inconvenience. And on the rivers, the grade quoted is a real classification: a grade IV run is not a family float, and the wet season raises the grade of everything.
Roads, crime and the ordinary layer
Vehicle accidents are the other significant risk. Mountain roads are narrow and winding with limited overtaking, drainage ditches run alongside the carriageway rather than a shoulder, motorcyclists filter unpredictably, and driving after dark is materially more dangerous because unlit pedestrians and animals are common and the potholes are invisible. The practical rule is to drive in daylight, keep speeds down on the mountain sections, and not attempt a long transfer at the end of a flight day.
Crime is overwhelmingly opportunistic property crime rather than violence. The pattern to know is theft from parked vehicles — never leave anything visible in a car anywhere, particularly at trailheads and beach parking, which are worked deliberately — along with bag-snatching in the capital and on crowded beaches. Use hotel safes, carry a card and small cash rather than everything, and use authorised taxis or a ride-hailing app rather than an unmarked car. This is ordinary vigilance rather than anxiety; the country is genuinely safe by regional standards.
On wildlife, the honest note is that almost nothing here is out to harm you. Snakes exist and are rarely encountered on trails during the day; the sensible precautions are closed shoes, watching where you put hands and feet, and not reaching into gaps. Crocodiles are present in certain river mouths and estuaries and are signposted, which is another sign to obey rather than photograph. Do not feed monkeys or raccoons, which are habituated at popular parks and will take food aggressively.
Health, water and insurance
Costa Rica's healthcare is the best in Central America, with good private hospitals in the central valley and public facilities across the country, and English-speaking care is easy to find in the main tourist regions. Pharmacies are widespread and pharmacists dispense a wider range without prescription than in many countries, which makes them a practical first stop for minor problems.
Tap water is safe to drink in most of the country, including the capital — genuinely unusual in the region and worth knowing before you buy bottled out of habit. The exceptions are some remote rural areas and parts of the Caribbean coast, where locally the advice is to filter or buy; ask where you are staying. The food guide covers eating with the same confidence.
Mosquito-borne illness is the main health consideration: dengue is present, particularly in the lowlands and the wet season, and there is no prophylaxis for it, so repellent and covering up at dawn and dusk are the whole strategy. Malaria is not a meaningful risk for a normal tourist itinerary. A travel clinic several weeks ahead is still the right call for routine vaccinations and any current advisory. And take insurance that covers adventure activities explicitly — standard policies frequently exclude ziplining, canyoning, surfing and whitewater, which is precisely the list of things you have come to do, and the transport guide's point about mountain roads applies to hire-car cover as well.