The best area to stay in Marstrand is on Marstrandsön itself, the island where the historic Carlsten Fortress is located.Marstrandsön is the heart of Marstrand, offering a pedestrian-friendly environment with narrow streets, wooden houses, and views of the harbor and the sea. The island is dominated by the impressive Carlsten Fortress, which sits atop the highest point and is visible from most parts of the island. The main street, Långgatan, runs through the center, lined with shops and restaurants. Most accommodations are within walking distance of the ferry landing.Couples will find Marstrandsön particularly appealing for its romantic setting and easy access to scenic walks. They can enjoy strolls along the waterfront, explore the fortress, and dine at waterfront restaurants with views of the archipelago. The island's tranquil evenings, once the day-trippers depart, create a lovely setting.For families, staying on Marstrandsön provides a convenient base for exploring. Children will enjoy the adventure of the fortress and the boat trips around the islands.