The author recommends Ksamil, Albania, as a destination offering clear blue water and white beaches at a fraction of the cost of Greece, with seafood available for under 15 USD. ^[1] Ischia, Italy, is recommended as an alternative to Capri, featuring Maronti Beach with dark volcanic sand and thermal springs that bubble into the ocean. ^[2] Praia da Adraga in Portugal is described as a raw, cliff-framed beach located in the Sintra Cascais Natural Park, popular with Lisbon locals for weekend escapes. ^[3] Travel experts advise visiting Ksamil during the shoulder months of September and October to avoid heavy seasonal crowds and border queue delays. ^[4] The Portuguese Azores are described as a paradise for divers featuring spectacular lava formations, underwater caves, and opportunities to observe rays, dolphins, and large schools of fish. ^[5] The Silfra-Spalte in Þingvellir National Park, Iceland, allows divers to swim between the North American and Eurasian tectonic plates in glacial water. ^[6] The travel platform Omio notes that Europe offers impressive underwater worlds with caves, wrecks, and diverse wildlife, ideal for autumn trips. ^[7] Zakynthos, Greece, offers underwater caves, grottos, and rock formations, with the Laganas Bay being a popular spot to observe protected Loggerhead sea turtles. ^[8]