A Snapshot of Ports Visited on Celestyal Crystal's 'Idyllic Aegean' Itinerary

Celestyal Cruises has developed a reputation for its destination-intensive itineraries, which are ideally suited for travelers interested in fully immersing themselves in the ports they visit. The line's seven-night "Idyllic Aegean" itinerary aboard Celestyal Crystal, which resumed service in June, serves as a perfect example. Sailing roundtrip from Athens, the ship calls at the Greek ports of Patmos, Rhodes, Santorini, Lavrion, Mykonos, Milos and Agios Nikolaos in Crete. Celestyal offers travelers a robust roster of excursions - along with 12 percent commissions for travel advisors who book them for their clients in advance.

There certainly isn't a dearth of sightseeing options in Athens. First on many travelers' lists is a visit to the city's iconic monuments, most notably the hill of the Acropolis, the setting for The Parthenon, the Temple of Athena and more, which date back to the 5th century B.C. In addition to the Acropolis, highlights of a city tour include Plaka, Athens' oldest neighborhood; and the Panathenaic Stadium, the site of the first modern Olympics in 1986.

Travelers can visit St. John's Monastery and the Grotto of the Apocalypse, where St. John is said to have written the bible's book of Revelation. The island is also home to a range of gorgeous beaches, including Agriolivado Beach to the north of Skala.

A trip to Rhodes would not be complete without an excursion to the Acropolis of Lindos and a walking tour of the Medieval City. The 1,000-foot climb up to the acropolis affords visitors panoramic views of the surrounding harbors and coastline.

Travelers would be hard-pressed to find a Greek Island more picturesque than Santorini. Walking is a veritable feast for the eyes. Beach lovers should consider visiting Perissa, a black-sand beach believed by many to be the island's best. Culturally inclined visitors should consider a visit to the Symposium Music & Mythology Cultural Center.

Lavrion, situated approximately 37 miles from Athens, overlooks the island of Makronisos. Travelers can embark on shore excursions to Cape Sounion and the Temple of Poseidon - and photo opportunities make the visit well worthwhile.

With its white-washed cubiform houses and blue doors, the winding streets of Chora, Mykyonos' main town, proffer up Instagramable shots at every turn. The island, which is dotted throughout with windmills, is known for its lively nightlife and beautiful beaches.

A highlight of any trip to Milos is an excursion to Sarakiniko, with its white-stone moon-like landscape created by volcanic eruptions. The island is also home to several pristine beaches, including Kalafatis Beach, where dramatic rock formations rise from the surrounding waters.

Appointed with a tree-lined street and a lake encircled by restaurants and cliffs, Agios Nikolaos is near Elounda, which runs between Schisma and Plaka and affords amazing views of Mirabello Bay and the islet of Spinalonga.