YOU SAID:

I’m going back to the house and then go to the beach

INTO JAPANESE

家に帰ってから海に行きます

BACK INTO ENGLISH

I'll go to the beach after I get home

INTO JAPANESE

家に帰ったら海に行きます

BACK INTO ENGLISH

I'll go to the beach when I get home

INTO JAPANESE

家に帰ったら海に行きます

BACK INTO ENGLISH

I'll go to the beach when I get home