What's the must-see thing in Vestmannaeyjar?

Eldheimar sits on Gerðisbraut, about a 10-minute walk south of the harbor. The museum opened in 2014 around an actual house excavated from under roughly 4 meters of tephra left by the January 23, 1973 eruption of Eldfell. You walk through glass-walled corridors and look down into rooms where plates still sit on shelves, a radio rests on a nightstand, a child's shoe lies half-buried in 1973 ash. The air inside Eldheimar carries a faint mineral smell, something like wet concrete mixed with sulfur. Admission runs about 2,500 ISK (roughly $20 USD at current rates), and you'll need 45 minutes to an hour. The short film on the evacuation, when 5,300 residents left by fishing boat in a single night, tends to be the part that stays with people. To be fair, the museum is small. Maybe four main rooms. But nothing else on the island makes the 1973 eruption feel as immediate as standing over someone's buried kitchen.

Walk from Eldheimar south along the edge of the 1973 lava field and you reach the base of Eldfell in about 15 minutes. The trail to the 221-meter summit takes another 20. It's steep but short, with loose red and black scoria that crunches underfoot like gravel made of burnt cork. Near the crater rim the ground is still warm. Not hot enough to burn, but press your palm flat into the red cinders and you'll feel steady heat, more than 50 years after the eruption ended. The wind at the top is often fierce, 30 to 40 km/h even on days that feel calm at sea level, and the view south toward Surtsey, the UNESCO-listed island that rose from the sea in 1963 about 20 km offshore, puts the whole volcanic archipelago into context. No fee, no ticket, no set hours. Wear layers. The summit tends to feel 5 to 8 degrees colder than the harbor.

Stórhöfði, the headland at Heimaey's southern tip, holds one of the North Atlantic's largest puffin colonies. Historically over a million pairs nested here, though numbers have declined since the early 2000s. The birds arrive in late April and leave by mid-August. The drive from town takes 10 minutes, the walk from the parking area to the observation platform maybe 5. You hear them before you see them. Puffins are surprisingly loud up close, producing a low growling hum that sounds mechanical, like a small motor idling. They circle in and out of burrows along the grassy cliff edges, and on a calm June or July evening you might see hundreds wheeling against the grey sky at once. Mind you, Stórhöfði is officially Iceland's windiest recorded point, with gusts measured above 250 km/h. The viewing platform has a railing but no shelter. If the forecast shows wind above 20 m/s, save it for the next day.

All three sit within a 3 km radius on Heimaey, the archipelago's only inhabited island. The Herjólfur ferry from Landeyjahöfn on the mainland takes about 35 minutes and runs 3 to 7 times daily depending on season. Tickets cost around 1,800 ISK ($14 USD) one-way per adult. Eagle Air also flies from Reykjavík's domestic airport in about 25 minutes, though flights cancel frequently in poor weather. If you're doing a day trip from the mainland, the morning ferry, typically departing around 8:00 or 9:00, gives you enough time for all three before the last return crossing. Worth noting between the harbor and Eldheimar is the Heimaey stave church on Skansinn, built in 2000 as a millennial gift from Norway. It takes 10 minutes to see. Elephant Rock, the basalt formation on Heimaey's coast that looks like an elephant dipping its trunk into the ocean, is best seen from the Ribsafari boat tour, around 10,000 ISK for a 1 to 2 hour loop around the island.