From Huntsville, Alabama:

Travel I-65 South to Exit 305 (NEW Exit - your GPS likely will not know about this)
Turn right at the end of the ramp
Travel Highway 222 to the 4-way stop turn left
Turn right at Smith Lake Park sign.
Travel 0.3 miles until road curves to the left (to the former Smith Lake Park entrance) - do not follow curve - go straight (towards the boat launch and new Park entrance).
Immediately turn right - and travel 0.2 miles to driveway on your left before cul-de-sac.
Grace's Retreat is at the end of this driveway.
 

From Birmingham, Alabama
  
Travel I-65 South to Exit 305 (NEW Exit - your GPS likely will not know about this)
Turn left at the end of the ramp
Travel Highway 222 to the 4-way stop - turn left
Turn right at Smith Lake Park sign.
Travel 0.3 miles until road curves to the left (to the former Smith Lake Park entrance) - do not follow curve - go straight (towards the boat launch and new Park entrance).
Immediately turn right - and travel 0.2 miles to driveway on your left before cul-de-sac.
Grace's Retreat is at the end of this driveway.

Grace's Retreat resides on Lewis Smith Lake - with over 500 miles
of  shoreline covering Cullman, Winston, and Walker Counties.