Cape Cod Hospital has a 24-hour emergency room. For rescues at sea, call the Coast Guard. Boaters should use Channel 16 on their radios.

Emergency Services

Ambulance, fire, police (911 or dial township station). Coast Guard (508/888-0335 in Sandwich and Cape Cod Canal; 508/945-0164 in Chatham. www.uscg.mil).

Hospitals

Cape Cod Hospital (27 Park St., Hyannis. 508/771-1800 or 877/227-3263. www.capecodhealth.org). Falmouth Hospital (100 Ter Heun Dr., Falmouth. 508/548-5300 or 877/227-3263. www.capecodhealth.org/falmouthhospital). Jordan Hospital (275 Sandwich St., Plymouth. 508/746-2000. www.jordan.org). Martha's Vineyard Hospital (Linton La., Oak Bluffs. 508/693-0410. www.marthasvineyardhospital.com). Nantucket Cottage Hospital (57 Prospect St., Nantucket. 508/228-1200. www.nantuckethospital.org). St. Luke's Hospital (101 Page St., New Bedford. 508/997-1515. www.southcoast.org/services/stlukes.html).

24-Hour Pharmacies

CVS Falmouth (105 Rte. 28, Falmouth. 508/540-4307). CVS Hyannis (176 North St., Hyannis. 508/775-8462). CVS Plymouth (8 Pilgrim Hill Rd., Plymouth. 508/747-1465).

Late-Night Pharmacy

Leslie's Drug Store (65 Main St., Vineyard Haven. 508/693-1010).