Kalymnos is a neighboring island to Kos, located in the Dodecanese archipelago, renowned for its rich history, natural beauty, and outdoor adventures. It is particularly famous for its long-standing tradition of sponge diving and has evolved into a world-class rock climbing destination, thanks to its dramatic limestone cliffs. Kalymnos is easily accessible from Kos by boat, making it a popular day-trip destination for those visiting the region.

The island offers a mix of picturesque villages like Pothia, with its colorful houses and bustling harbor, and quiet, secluded beaches with crystal-clear waters. Visitors to Kalymnos can explore its historical sites, such as monasteries and ancient ruins, while also enjoying activities like hiking, diving, and climbing. The relaxed, authentic Greek island atmosphere makes it a perfect complement to the more bustling vibe of Kos.