B = Ballard Sails (Discovery Park) Ballard Sails Buoy, a 3.5-ft. high White Buoy located Southwest of the Ship Canal entrance, near the shore at Discovery Park (47° 40.285', 122° 25.342'). This is the old South Hamburger location.

D = Duwamish Head Duwamish Head (47° 35.933', 122° 23.267').

E = Green Ship Canal Buoy Outermost Green Ship Canal entrance buoy (47° 40.768', 122° 24.897')

H = Halverson Buoy Halverson Buoy, located approx. 0.5nm Northwest from the entrance to Port Madison (47° 42.698', 122° 32.031')

I = Blake Island Blake Island (47° 31.600', 122° 30.000').

J = Pt. Jefferson Pt. Jefferson: Temporary mark located near Pt. Jefferson in 35 ft. of water at low-low tide (47° 44.755', 122° 28.38').

K = Blakely Rock Blakely Rock (47° 35.700', 122° 28.800').

M = Meadow Point Meadow Pt. Buoy (47° 41.783', 122° 24.583').

N = Start Mark Round metal ball with flag located near the North end of Shilshole Breakwater (47° 41.064', 122° 24.679'), in 87 feet of water. This is the near old North Hamburger location.

O = Point Monroe Temporary mark located North of Point Monroe, in approx. 90 feet of water (47° 42.600', 122° 30.450').

P = Wing Point Reef Buoy 2, red num Wing Point Reef Buoy 2 near the entrance to Eagle Harbor (47° 36.731', 122° 29.133'). It is a red nun, located just North of the red light on a pole. WARNING: It gets shallow North of the Mark.

R = Spring Beach Spring Beach: A 3.5-ft. high White Buoy located in 40 ft. of water in the vicinity of Spring Beach, approximately 2 nm N of Meadow Pt. (47° 44.387', 122° 22.944'). A railroad block signal is located at Spring Beach.

S = Skiff Point Skiff Point: Temporary mark located in 60 ft. of water, approx. 0.18 nm E of Skiff Point (47° 39.720', 122° 29.790'). WARNING: It gets shallow West of the Mark.

U = Richmond Beach, UW Research Buoy Richmond Beach, UW Research Buoy NPB-1 (www.nanoos.org/data/products/npb/npb-1/overview.php), located at (47° 45.676', 122° 23.833').

W = West Point West Pt. Buoy (47° 39.617', 122° 26.467').

Z = PMYC white cyliinder PMYC Buoy near Jefferson Point (47°44.4', 122°29.4'). It is a white cylinder.

2 = Two laps (must be last letter) This indicates a multi-lap course. Sail the course as many times as is indicated by the number, crossing the finishing line at the completion of each lap.