New Revised Standard Version
The next day the crowd that had stayed on the other side of the sea saw that there had been only one boat there. They also saw that Jesus had not got into the boat with his disciples, but that his disciples had gone away alone.

Contemporary English Version
The people who had stayed on the east side of the lake knew that only one boat had been there. They also knew that Jesus had not left in it with his disciples. But the next day

New American Bible
The next day, the crowd that remained across the sea saw that there had been only one boat there, and that Jesus had not gone along with his disciples in the boat, but only his disciples had left.

Douay-Rheims Bible
The next day, the multitude that stood on the other side of the sea saw that there was no other ship there but one: and that Jesus had not entered into the ship with his disciples, but that his disciples were gone away alone.

The next day, the multitude that stood on the other side of the sea saw that there was no other ship there but one: and that Jesus had not entered into the ship with his disciples, but that his disciples were gone away alone.

but.

John 6:16,17 And when evening was come, his disciples went down to the sea. . . .

Matthew 14:22 And forthwith Jesus obliged his disciples to go up into the boat, and to go before him over the water, till he dismissed the people.

Mark 6:45 And immediately he obliged his disciples to go up into the ship, that they might go before him over the water to Bethsaida, whilst he dismissed the people.