No reason to signup for their "special" privileges program . But make a Boatyball account and see how if functions from home. You can check at various times of the day to see how busy your moorings are... varies on the day of the week as well. Then depending on you desires, you could use the 7;00 am Time to reserve a BoatyBall if it suits your desire.

I use them because i like to sail later and therefore is well worth the additional $10.