Accessory mounting system for a stand up paddle board

A watercraft assembly including:

• a) a watercraft having a solid structure defining a top surface and a bottom surface;
• and
• b) a mounting plug permanently secured to the solid structure, the mounting plug including a threaded insert and a main body molded onto the threaded insert, wherein the mounting plug includes a pair of radially extending tabs proximate a first end of the mounting plug and a plurality of circumferentially directed ribs proximate a second opposite end of the mounting plug.

An accessory mounting system for a watercraft, the accessory mounting system comprising:

• a) a disk-shaped accessory plate having at least one threaded aperture and having a surface opposite the at least one threaded aperture that is coated with an adhesive, the adhesive being for securing the accessory plate to the watercraft;
• and
• b) an accessory mounted to the threaded aperture of the accessory plate.