Beachlike refers to something that resembles or is similar to a beach. Therefore, the antonyms for this word would be those that indicate something opposite to a beach. Some of the possible antonyms of beachlike are rocky, mountainous, inland, forested, urban, and arid. Moreover, beachlike usually implies a coastal area, so an antonym would indicate a distance from the coast, such as inland or remote. Additionally, beachlike signifies a relaxed, sunny, and tropical atmosphere, an antonym would convey a harsh, chilly, and unfriendly environment. Overall, beachlike's antonyms vary depending on the context and the contrasting attributes that one wants to emphasize.