Cruise the Essex River and the Great Marsh with weekday passage for two aboard the Essex River Queen from Essex River Cruises. The 1.5 hour narrated cruise will take you back in time, past islands, dunes and beaches formed by glaciers. See rare birds, wildlife and stunning scenery. Watch lobstering, fishing, clamming and river activities. Learn about historic mansions, shipyards, salt marsh farms and native character. Certificate expires 10/31/11 and requires advance reservations. Cruises are available from the 2nd weekend in May through the 3rd weekend in October.