Health & safety
Health and Safety in Greece: What Actually Trips People Up
Greece is a genuinely safe country to travel in by almost any measure, but “safe” isn't the same as “nothing to know” — a few specific, recurring issues catch visitors off guard precisely because they don't match what a first-time visitor expects.
Updated 2026-08-15
Validate your transit ticket, even when no one's checking
Athens's metro, tram and bus network runs on an honor system at most stations — there are no ticket barriers at many entrances — but that doesn't mean tickets go unchecked. Plainclothes and uniformed inspectors carry out spot checks regularly, particularly on the airport line and around major tourist stops, and a fine for an unvalidated or missing ticket is issued on the spot regardless of whether the failure to validate was a genuine mistake. The fix is simple and easy to forget precisely because so much of the system looks unmonitored: validate every ticket at the small machines near platform entrances the moment you board, every single trip, even if you're certain no one's watching.
Summer heat is a genuine hazard, not just discomfort
July and August regularly push past 35°C in Athens and on the more exposed, treeless Cycladic islands, and the combination of intense sun, low humidity and minimal shade at outdoor archaeological sites makes heat exhaustion a real risk rather than an abstract warning. The Acropolis and similar hilltop sites have essentially no shade and can become genuinely dangerous to visit at midday in peak summer — visiting at opening time or in the last two hours before closing avoids both the worst heat and the largest crowds. Carrying more water than feels necessary, wearing real sun protection, and treating any dizziness or headache during a midday site visit as a signal to stop rather than push through are all worth taking seriously, especially for visitors from cooler climates who underestimate Mediterranean summer intensity.
Jellyfish, sea urchins and swimming shoes
Greek waters are clean and swimmable across the vast majority of the coastline, but two specific hazards are common enough to plan around rather than dismiss. Jellyfish blooms appear seasonally, more often in late summer, and while stings are rarely dangerous they're genuinely painful — local advice (rinse with seawater, not fresh water, and avoid rubbing) is worth knowing before it's needed rather than looked up mid-sting. Sea urchins cluster on rocky seabeds near many beaches and their spines cause a sharp, lingering puncture wound if stepped on; water shoes are a small, easy precaution on any beach with rocky rather than sandy entry, and locals wearing them at an otherwise “tourist” beach is a reliable tell that the seabed warrants the precaution.
Driving customs that surprise northern European and North American visitors
Greek driving culture runs noticeably more assertively than in much of northern Europe or North America — overtaking on blind bends, informal use of the hard shoulder as a de facto extra lane on some roads, and scooters weaving through stationary traffic are common enough to expect rather than be alarmed by. Mountain and island roads in particular are often narrower, more sharply switchbacked and less consistently guard-railed than their equivalents at home, which matters directly for the many visitors who rent a car, ATV or scooter specifically to reach island beaches beyond the main town. Driving cautiously, expecting more assertive local drivers around you, and treating unfamiliar mountain roads with real respect rather than resort-brochure confidence avoids the large majority of the incidents that do happen.