The south coast is Iceland’s greatest-hits reel: the highest density of major sights anywhere on the island, all reachable on a paved highway that any rental car handles. Three days gives you the full stretch from Reykjavík to the glacier lagoon at Jökulsárlón without the rushed, six-stops-before-lunch pace that ruins most south coast day tours.
The shape of the trip
| Day | Route | Driving |
|---|---|---|
| 1 | Reykjavík to Vík | 110 mi, 2.5 hrs |
| 2 | Vík to Jökulsárlón and back | 240 mi, 5 hrs |
| 3 | Vík to Reykjavík | 110 mi, 2.5 hrs |
Base yourself in or near Vík for both nights. Unpacking once beats repacking daily, and Vík sits perfectly between the two halves of the route.
Day 1: The waterfall run
Seljalandsfoss comes first, about 90 minutes from Reykjavík. This is the one you walk behind; bring a rain layer because the path soaks everyone. Twenty minutes farther, Skógafoss drops 200 feet in a single thundering curtain. Climb the staircase on the right side for the top-down view most people skip.
End the day at Reynisfjara, the black sand beach with basalt columns. Respect the sneaker wave warnings without exception: the ocean here has taken lives, and the safe distance is farther than it looks. Sleep in Vík.
Day 2: Glaciers and the lagoon
Start early and drive east. Fjaðrárgljúfur canyon makes a strong first stop, a 100-meter-deep serpentine gorge with a rim path. Continue to Skaftafell in Vatnajökull National Park for the one-hour walk to Svartifoss, the waterfall framed by dark basalt columns.
The day peaks at Jökulsárlón, where icebergs calve off Europe’s largest glacier and drift through a lagoon toward the sea. Directly across the road, Diamond Beach catches the ice on black sand as it washes back ashore. Give the pair two hours minimum, then drive back to Vík.
Day 3: The stops you passed
Use the return leg for everything you skipped: the Dyrhólaey promontory and its puffin colonies in summer, the Sólheimajökull glacier tongue where guided glacier walks depart, or a detour up to the Seljavallalaug hidden pool. Aim to reach Reykjavík by early evening.
When to go
This route works year-round, which few Iceland itineraries can claim. Summer brings 20-plus hours of daylight and green slopes. Winter compresses the days but adds ice caves near Jökulsárlón (guided access only, roughly November through March) and a real shot at auroras from Vík’s dark beaches.
Driving notes
Route 1 stays paved the entire way. A 2WD handles this itinerary in summer without drama; in winter, book a 4×4 for the confidence, watch road.is and vedur.is each morning, and build slack into day 2, the long one.