Delicious seafood, usually land reptiles, corresponds to seafood. Seafood refers to the creatures in the sea (lake), such as fish, shrimp and mussels.

The delicious food in tourist resort hotels basically refers to the local specialties of mountains and lakes.

Another meaning is that rare, special and delicious foods in the mountains are sometimes called mountain treasures, such as Ganoderma lucidum.

That's what it means, typing so many words.