The code changes every week although owners have a master they are unlikely to tell you. (Steve should let his leak out but I doubt he would.)
You can park at Seacrest Beach and take their shuttle or walk down to the beach then walk 1/4 mile east to High Pointe.
Or hang around the HP gate and walk through when a car enters.
Don't wear a hoodie.
Or an Obama shirt.
Consider buying a unit there. They have enough parking for another building or 2.