John 6:22

Next day the crowd which had been left standing on the other side of the sea bethought them that only one boat had been there, and that Jesus had not gone aboard with his disciples, who had left by themselves.

Matthew 14:22

Then he made the disciples embark in the boat and cross before him to the other side, while he dismissed the crowds;

Mark 6:45

Then he made the disciples at once embark in the boat and cross before him towards Bethsaida, while he dismissed the crowd;

John 6:2

followed by a large crowd on account of the Signs which they had seen him perform on sick folk.

John 6:15-21

Whereupon Jesus perceived they meant to come and seize him to make a king of him; so he withdrew by himself to the hill again.

Treasury of Scripture Knowledge

Summary

The day following, when the people which stood on the other side of the sea saw that there was none other boat there, save that one whereinto his disciples were entered, and that Jesus went not with his disciples into the boat, but that his disciples were gone away alone;

Bible References

But

John 6:16
When evening came, his disciples went down to the sea,
Matthew 14:22
Then he made the disciples embark in the boat and cross before him to the other side, while he dismissed the crowds;
Mark 6:45
Then he made the disciples at once embark in the boat and cross before him towards Bethsaida, while he dismissed the crowd;