 Sandwich lies at the southern end of Pegwell Bay, which includes a large nature reserve, known for its migrating waders and wildfowl, with a complete series of seashore habitats including extensive mudflats and salt marsh.The local economy has benefited from significant investment by Pfizer UK, the British subsidiary of the multinational pharmaceuticals company Pfizer, which has built a research and development centre near Sandwich, employing over 3,000 people.Laboratory experiments at the site have aroused negative comment by animal rights activists.