- On Interstate 95 North or South take exit 74.
- Take a right onto Rt. 161.
- Travel 2.5 miles until you see Three Belles Marina sign on your left opposite the Sunoco Station.
- Take left at the sign and go .75 miles and you will see the marina entrance on your right.
Latitude: 41° 20′ 22′ N Longitude: 72° 11′ 23′ W
- Enter Niantic Bay and pass under the bridges (Niantic Highway & Railroad Bridges Monitor CH 13) into the Niantic River.
- Follow the channel change markers numbers 26/27.
- Enter the channel to Smith Cove and Three Belles Marina will be on your starboard side just as you enter the cove.