Things to Do in Salem MA
What Wikipedia says

Salem - Boston Ferry

Salem Web

Peabody Essex Museum

House of 7 Gables

Salem Willows - old time amusement park. Hot dogs, etc available here.

A variety of interesting Harbor tours leave from Mahi Cruises at Salem Willows.

Witch Museum, & many other tourist attractions, shopping, dining. 

Reasonably Priced places to eat:

Hot dogs, hamburgers at Salem Willows

Witch's Brew Cafe
156 Derby St
(same street as the Boston ferry landing & House of 7 Gables
 - just head toward downtown from those locations.)

Red's 15 Central St
(especially Breakfast!)

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