The returning Fraser Bayliss salvaged a point as Boston Town stretched their unbeaten run to eight games.
Harry Limb gave them the perfect start against their coastal rivals when he netted after just three minutes.
Two goals by Jonny Lockie looked to have given the hosts all three points in what was the first encounter between the two clubs since 1984.
But Fraser Bayliss smashed home a 90th minute equaliser on his first start since returning to the club
Town: Portas, Tate, Thompson, Ford, Mucklin, Dilley (T White), Beeson (Cole), Bayliss, Sylla (Smith), Limb, L White; subs: Kacirek, Borbely