What cultural etiquette should I know for Vestmannaeyjar?

The single rule that will mark you as either considerate or clueless on Heimaey is the shoes. Take them off at every door. Every house, every guesthouse, every invitation. You'll see a pile of boots and trainers on the mat, and that's your cue. Icelanders use first names for everyone, including the prime minister, so calling your guesthouse host by their surname will feel oddly formal to them. A firm handshake works for introductions. Hugging is reserved for people who already know each other. The town has about 4,500 residents, and most of them are related or grew up together, so assume your taxi driver knows your hotel owner. Gossip travels at the speed of the wind here, which on Heimaey averages around 7 m/s.

The 1973 Eldfell eruption buried roughly 400 homes under lava and ash. Nearly the entire population of Heimaey, about 5,300 people at the time, was evacuated overnight by fishing boats to the mainland. Older residents still remember. Some never came back. If someone shares their story, listen. Don't treat the lava fields east of town as a novelty photo backdrop while a local is walking past. The Eldheimar museum sits at the edge of the 1973 lava field, built over an excavated house with recovered items still carrying a faint trace of sulfur under glass. That's the place for your curiosity. Worth noting, the islanders' pride in having saved the harbour by spraying seawater on the advancing lava is real and earned. Acknowledge it if it comes up.

Between May and mid-August, Atlantic puffins nest along the eastern sea cliffs and on the islets around Heimaey. The Vestmannaeyjar archipelago has historically hosted one of the largest puffin colonies in the North Atlantic, though numbers have declined in recent decades. Stay on marked paths near Stórhöfði, the southern headland. Don't reach into burrows. Don't fly drones near nesting sites. Local children participate in the puffling rescue each August, carrying disoriented young birds that wander into town back to the sea by flashlight. If you're visiting during puffling season, you might be invited to help. The smell of guano and salt grass on the cliff paths is strong. Wind at Stórhöfði can hit 40 m/s in gusts, so brace yourself and keep a respectful distance from the edges.

Þjóðhátíð, the national festival held the first weekend of August in the Herjólfsdalur valley, draws 15,000 to 17,000 people to an island of 4,500. Alcohol flows freely. The atmosphere gets rowdy after midnight, with bonfires and campsite singing that reverberates off the valley walls. If you're not a drinker, Saturday afternoon before 8pm is the best window for the music and bonfire atmosphere without the 3am chaos. Littering during Þjóðhátíð is taken seriously. Volunteers spend days cleaning the valley afterward, and locals notice who leaves trash behind. The Heimaey stave church, built in 2000 as a gift from Norway, sits near the harbour. Remove hats inside. Photography is fine when no service is underway. Sunday services at Landakirkja on Kirkjuvegur tend to start at 11am and last about 45 minutes.