Here’s our regular weekly post from the Center for the Urban Environment about the great tours they run:

The Other Islands of New York – East River & New York Bay. (Last Tour of the Season!) Sunday August 10 – 9:30-12 Noon – with Sharon Seitz & Stuart Miller. Sharon Seitz and Stuart Miller, co-authors of The Other Islands of New York: A History and Guide, will be our guides on this Other Islands tour. Hop aboard the New York Water Taxi and tour some our of guides’ favorites: Roosevelt Island, Randall’s and Ward’s Island and the Brother Islands. As a bonus, you’ll see the Waterfalls from the water. Meet at Fulton Ferry Landing Dock of New York Water Taxi, foot of Old Fulton Street opposite the River Café. F train to York Street Station. Walk down to waterfront. Fees $50.00 for non-members; $40.00 for members, seniors and students. Pre-payment required. For reservations and pre-payment call (718) 788-8500, ext. 217.