How to Say "Do you swim only in the sea?" in Korean?

"Do you swim only in the sea?" in Korean is 바다에서만 수영해요? (badaeseoman suyeonghaeyo)

바다 (bada) - the sea
바다 가요. (bada gayo) - I go to the sea.
바다만 (badaman) - only the sea
바다만 가요. (badaman gayo) - I only go to the sea.
바다만 가요. 산 안 가요. (badaman gayo san an gayo) - I only go to the sea. I don't go to the mountains.
바다만 가고 싶어요. (badaman gago sipeoyo) - I only want to go to the sea.
바다만 가고 싶어요. 산 안 가고 싶어요. (badaman gago sipeoyo san an gago sipeoyo) - I only want to go to the sea. I don't want to go to the mountains.
바다에서 (badaeseo) - in the sea