Yes John did visit heaven in the Spirit. In Rev 1:9-11 "I, John, both your brother and companion in the tribulation and kingdom and patience of Jesus Christ, was on the island that is called Patmos for the word of God and for the testimony of Jesus Christ. I was in the Spirit on the Lord’s Day, and I heard behind me a loud voice, as of a trumpet, saying, “I am the Alpha and the Omega, the First and the Last,” and, “What you see, write in a book and send it to the seven churches [h]which are in Asia: to Ephesus, to Smyrna, to Pergamos, to Thyatira, to Sardis, to Philadelphia, and to Laodicea.” John was the last person to receive visions from the Lord.

The Apostle Paul speaks of himself when he says, in 2 Cor 12:2-3 "I know a man in Christ who fourteen years ago—whether in the body I do not know, or whether out of the body I do not know, God knows—such a one was caught up to the third heaven. 3 And I know such a man—whether in the body or out of the body I do not know, God knows—"