According to forum posts, travelers have recommended Pompeii and Herculaneum as excellent day trip options from Naples. These sites are easily accessible by local trains, specifically the Circumvesuviana line, which provides direct access from Naples with a short walking distance to the sites.

Travelers have suggested visiting coastal towns such as Sorrento, Positano, and Amalfi for day trips. Sorrento is highlighted for its great travel links, allowing easy access to Pompeii, Herculaneum, and Capri. It offers a vibrant atmosphere especially in the evenings, making it a delightful day trip destination.

For those interested in exploring islands, Capri and Ischia are popular choices. Capri can be reached by ferry services from Naples, whereas Ischia offers unique attractions like thermal parks and volcanic steam vents which can be fascinating for both adults and children.

Some travelers have recommended spending about five days in Campania, focusing on Naples, Capri, Salerno, Paestum, and the Amalfi Coast. Naples is suggested for its rich history and vibrant city life, with a minimum stay of one day to explore significant landmarks and museums.

According to forum posts, day trips to Pompeii and Mount Vesuvius are highly recommended due to their historical significance. Additionally, exploring the Amalfi Coast, with stops in towns like Positano and Amalfi, provides a scenic view and a charming coastal experience. Capri is also a favored destination for its stunning landscapes and luxurious atmosphere.

Travelers have highlighted the effectiveness of using public transportation such as trains and ferries to navigate through Campania, suggesting it as a preferable option over renting a car due to traffic restrictions and the availability of efficient public transport options.

According to forum posts, various boat services operate from Positano and Amalfi, providing scenic trips along the coast. Travelers can catch ferries from Salerno to Amalfi Coast towns or use services like Travelmar for direct boat transfers. Prices and schedules can be found on official service websites such as Travelmar and Alicost.

Some travelers mentioned the option of using trains for accessing different parts of the Amalfi Coast. For instance, there is no direct train to Amalfi, but one can travel to Salerno and then take a ferry. Buses are another common transport method, with services running to various towns along the coast.

For those preferring a more personal travel experience, private transfers are available. Companies like Sorrentocars offer direct drives from Naples to Sorrento, bypassing congested areas. This service is noted to be more expensive but saves significant travel time.