From Boston:

Enter One way system when approaching Skegness town centre. Keep on A52 (passing Taylors Garage on right) follow signposts to Mablethorpe (A52). Proceed straight over the traffic lights at the Junction of A158 (Ship Hotel on the right side). Take the first turning right into Seaview Road. The Grafton Hotel is on the left side after about 300 yards.

From Lincoln (A158)

Turn left at the  the traffic lights at the Junction of A52 shortly after Skegness Football Ground (Ship Hotel on the opposite side). Take the first turning right into Seaview Road. The Grafton Hotel is on the left side after about 300 yards.