Santorini is one of the world's most spectacular destinations, shaped by a colossal volcanic eruption around 3,600 years ago. Today, the best way to appreciate the island's unique geology, dramatic caldera cliffs, and traditional culture is by booking a guided tour.
What are the best Santorini tours for first-time visitors?
First-timers usually combine one caldera sunset catamaran, one volcano or sightseeing day, and optionally a wine tasting. That mix covers the geology, the famous Oia sunset from the water, and the island's Assyrtiko wine culture without over-scheduling.
Caldera Sunset Catamaran Cruises
Sailing inside the caldera is the quintessential Santorini experience. Most catamaran cruises depart from Vlychada Marina in the south or Ammoudi Bay in the north. A typical 5-hour sunset cruise takes you past the red and white volcanic beaches, stops near the hot springs for swimming and snorkeling, and serves a freshly prepared BBQ meal with local wine on board. As the sun drops, you get to watch Oia's famous sunset directly from the water—avoiding the cliffside crowds.
Volcanic Island & Hot Springs Hikes
If you're interested in geology, take a boat trip to Nea Kameni, the active volcanic islet in the center of the caldera. Tours include a guided hike up the volcanic gravel trail to the rim of the active craters, where you can see smoking sulphur vents. Afterward, the boat anchors at Palea Kameni, where you can swim in the warm, mineral-rich thermal springs.
Assyrtiko Wine Tasting Tours
Santorini boasts a 3,500-year-old wine heritage. Because of strong winds and intense sunshine, vines are pruned close to the ground in a circular basket shape called a kouloura. A guided wine tour is the best way to visit local estates like Venetsanos and Santo, learn about the volcanic terroir, and sample dry white Assyrtiko or sweet Vinsanto paired with local Cycladic cheese.
Important Booking Tips for 2026
In response to high tourism density, local authorities enforce a strict daily cruise ship passenger cap of 8,000 visitors, alongside peak-season sustainability levies. Excursions like sunset cruises and wine tastings sell out weeks in advance. We highly recommend booking at least 2 to 3 weeks before your trip to secure your spot.
To plan the rest of your trip, explore our comprehensive Santorini travel guide, view verified local car rental options, or find the best places to stay in our Santorini hotel guide.