Madrid, the landlocked capital of Spain, is renowned for its rich history, art museums, and vibrant culture. While it might sound counterintuitive, scuba diving is actually an activity that one can pursue even here. Of course, instead of natural oceans or seas, diving in Madrid involves exploring man-made reservoirs and diving centers that offer controlled environments for training and practice.

San Juan Reservoir: Though primarily a spot for water sports, San Juan Reservoir does have some spots that are deep enough for experienced divers to explore. There aren't coral reefs or exotic fish here, but the reservoir offers a unique experience of freshwater diving amidst the landscape of Madrid.

Casar de Cáceres: A bit further from Madrid, this site is often frequented by experienced divers due to its deeper waters and the presence of interesting submerged structures.

Dive Academy Madrid: A premier diving center in the city, it provides a controlled environment for beginners to learn and hone their scuba diving skills. They offer PADI courses and have a deep pool designed specifically for diving training.

Centro de Buceo Madrid: Another dedicated dive center, this facility offers beginner courses in a safe environment, with seasoned instructors guiding new divers.

Given Madrid's inland location, marine life in its waters isn't as diverse as coastal regions. In reservoirs, divers might encounter freshwater fish like carp or catfish. The main draw in Madrid is not the marine life but the experience of diving itself, especially for training and skill development.

Being man-made environments, diving conditions in Madrid's centers are controlled and predictable. Water visibility in the training pools is clear. In reservoirs like San Juan, visibility can vary depending on weather conditions, but it's generally decent. Water temperatures in reservoirs can fluctuate with the seasons, being cooler during winters and warmer during summers.

Diving in Madrid is primarily centered around training and courses. A beginner's diving course can range from $200 to $500, depending on the depth and intricacy of the training. Individual dives in the reservoirs might be cheaper, but costs can increase when equipment rental is factored in.

Madrid, while not a traditional diving destination, offers unique opportunities for those interested in learning the sport or for experienced divers seeking freshwater experiences. Whether you're plunging into a reservoir or practicing in a dive center's pool, Madrid proves that you don't need an ocean to enjoy the thrill of scuba diving.