Here's a look at some of the 2016 new recruits.
Meet the 2016/ 17 Mariners' youth team. Bilal Sesay was absent on the registration night.
Jamie Goddard after signing for the club's youth system
Ben Flowerdew signs up to the Grimsby Town youth system
Corey Briggs joins the 2016/17 new recruits
Meet Declan Slater
Mikey Davis joins the first year YTs
And this is Myles Lawman after signing a YT contract with the Mariners
Another one of Myles
Ryan Evans is also joining our young hopefuls
And finally Lawrence Burchell puts pen-to-paper