There are also some similarities between the two. It all depends on what you like. If people like sun and crowds, the beach is definitely for them. If people like a calm and relaxed life, the mountains are definitely for them. Adolescents and young adults mainly go to the beach, while retirees and the elderly go to the mountains. Laid back living and high living are two completely opposite things and it just depends on the type of person and where they choose to go on vacation, to the mountains or to the beach. A person's personality says a lot about where they would choose to go as well. Whichever one a person chooses, be it the beach or the mountains, they have chosen two great vacation spots.