Cape Cod and the Islands Travel Guide | Massachusetts

Cape Cod extends 65 miles into the Atlantic Ocean from the southeastern corner of Massachusetts, forming a peninsula shaped like a flexed arm with a fist at Provincetown. The Cape Cod Canal, completed in 1914, severs the peninsula from the mainland, running 7.4 miles between Buzzards Bay and Cape Cod Bay and making Cape Cod technically an island. The canal reduced the shipping route between Boston and New York by 75 miles and eliminated the need to navigate the treacherous waters around the peninsula's outer shore. The U.S. Army Corps of Engineers maintains the canal, which ranks as the widest sea-level canal in the world at 480 feet across at mean high water. Three bridges span the canal: the Sagamore Bridge and Bourne Bridge, both opened in 1935, and the Cape Cod Canal Railroad Bridge, a vertical-lift bridge built in 1935 that rises 135 feet to allow vessel passage. Summer weekend traffic through the two highway bridges regularly exceeds 60,000 vehicles per day.

Cape Cod National Seashore occupies 43,607 acres along 40 miles of the peninsula's eastern shore from Chatham north to Provincetown. President John F. Kennedy signed the bill establishing the seashore on August 7, 1961, marking the first time the National Park Service protected an area containing significant private property through zoning agreements rather than full government acquisition. The seashore preserves six swimming beaches, eleven self-guided nature trails, and the site where Guglielmo Marconi erected the first transatlantic wireless station in the United States in 1901, transmitting a message from President Theodore Roosevelt to King Edward VII of England on January 19, 1903. The Cape Cod Light, also called Highland Light, stands 183 feet above sea level on a cliff in North Truro and was moved 450 feet inland in 1996 to prevent its collapse into the eroding bluff. The lighthouse beam reaches 23 nautical miles out to sea. The seashore's Province Lands contain 4,000 acres of sand dunes, some reaching 60 feet in height, that migrate westward at rates measured up to 90 feet per year before stabilization efforts began in the 1920s.

Provincetown sits at the northern tip of Cape Cod where the Pilgrims first landed on November 21, 1620, five weeks before reaching Plymouth. The Mayflower Compact was signed aboard ship in Provincetown Harbor. The Pilgrim Monument, completed in 1910, rises 252 feet and remains the tallest all-granite structure in the United States. Provincetown's Commercial Street runs 3 miles along the harbor, lined with structures dating to the town's peak as a fishing port when the harbor held 700 vessels in the 1840s. The town's population fluctuates from approximately 3,000 year-round residents to over 60,000 during summer months. Provincetown developed as an arts colony beginning in 1899 when Charles Hawthorne founded the Cape Cod School of Art, followed by dozens of other art schools and galleries. The town's commercial fishing fleet continues operations from MacMillan Pier, landing primarily lobster, cod, and bluefin tuna.

Martha's Vineyard lies seven miles off the southern coast of Cape Cod, measuring 23 miles from east to west and nine miles from north to south, with a total land area of 96 square miles. The island contains six towns: Edgartown, Oak Bluffs, Vineyard Haven, West Tisbury, Chilmark, and Aquinnah. The year-round population of approximately 17,000 expands to over 200,000 during summer months. The Steamship Authority operates year-round ferry service from Woods Hole on Cape Cod, with crossing times of 45 minutes. The island has no bridge connection to the mainland and restricts vehicle access during summer, requiring advance reservations for car ferry passage. The island's economic base shifted from whaling, which peaked in the 1840s when Edgartown harbored one of the largest whaling fleets in New England, to tourism beginning in the late 1800s. Oak Bluffs contains the Martha's Vineyard Camp Meeting Association grounds, established in 1835 as a Methodist summer camp and now holding 318 Victorian cottages built between 1860 and 1880, painted in bright colors and arranged in a semicircle around the Tabernacle, an open-air iron structure built in 1879 that seats 1,200. The Flying Horses Carousel in Oak Bluffs, built in 1876, operates as the oldest platform carousel in the United States still offering rides.

Aquinnah occupies the western end of Martha's Vineyard and includes the Gay Head Cliffs, formed from layers of clay, sand, and gravel deposited over 100 million years and rising 150 feet above the shore. The cliffs display strata in colors ranging from white to red to black due to varying mineral content and oxidation states. The Wampanoag Tribe of Gay Head (Aquinnah) received federal recognition in 1987 and maintains tribal lands including 477 acres at the western end of the island. The Gay Head Light, built in 1856, stands 170 feet above sea level and was moved 135 feet inland in 2015 to prevent cliff erosion from toppling the structure. The lighthouse beam reaches 20 nautical miles. Aquinnah Cliffs were designated a National Natural Landmark in 1966. Erosion removes an estimated one to two feet of cliff material annually, exposing fossils including extinct whale species.

Edgartown served as the county seat of Dukes County and remains the primary commercial center on the eastern side of Martha's Vineyard. The town's whaling prosperity from 1820 to 1860 produced the concentration of Federal and Greek Revival houses along North and South Water Streets, with 147 structures in the Edgartown Historic District listed on the National Register of Historic Places. The Vincent House, built in 1672, stands as the oldest documented residence on the island. Edgartown Harbor provides protected anchorage for vessels drawing up to eight feet at mean low water. Chappaquiddick Island connects to Edgartown via a ferry crossing of 527 feet, operating continuously since 1798 with a current three-vehicle capacity and five-minute crossing time. The Cape Pogue Wildlife Refuge on Chappaquiddick encompasses 516 acres of barrier beach, dunes, and tidal flats supporting nesting populations of piping plovers and American oystercatchers.

Nantucket Island sits 30 miles south of Cape Cod, measuring 14 miles from east to west and 3.5 miles across at its widest point, with a total land area of 48 square miles. The island lies 14 miles from the nearest point on Martha's Vineyard. Steamship Authority ferries connect Nantucket to Hyannis on Cape Cod with a crossing time of approximately two hours, and to Martha's Vineyard seasonally. The island has no bridge connection. The year-round population of approximately 11,000 expands to over 50,000 during summer months. Nantucket functioned as the global center of whaling from 1800 to 1840, with the fleet reaching 88 vessels in 1843. The whale oil trade collapsed after petroleum was discovered in Pennsylvania in 1859 and the Great Fire of 1846 destroyed one-third of Nantucket Town. The entire island was designated a National Historic Landmark in 1966, the only place in the United States where an entire municipality holds this designation. Over 800 pre-Civil War structures remain standing, more than any comparable area in the United States.

Nantucket Town preserves the densest concentration of historic structures, with the cobblestone streets of downtown laid by sailors using stones carried as ship ballast. The Nantucket Whaling Museum, housed in a former candle factory built in 1847, displays a 46-foot sperm whale skeleton recovered in 1998. The Old Mill, built in 1746, operates as the oldest functioning mill in the United States, still grinding corn using wind power. The mill's cap rotates to orient the four sails toward prevailing winds. The Jethro Coffin House, built in 1686, stands as the oldest structure on the island. Brant Point Light, first established in 1746, holds the distinction of being the second-oldest lighthouse station in the United States, though the current tower dates to 1901 and stands only 26 feet tall, making it one of the shortest lighthouses in the country. The harbor accommodates vessels drawing up to 12 feet at mean low water.

Siasconset, known locally as 'Sconset, sits on Nantucket's eastern shore seven miles from Nantucket Town. The village began as a summer fishing camp and contains cottages dating to the 1680s, originally built as single-room shanties that were expanded over centuries. The Sankaty Head Light, built in 1850, stood 158 feet above sea level until coastal erosion forced its relocation 400 feet inland in 2007. The lighthouse beam reaches 24 nautical miles. The Siasconset Beach Erosion Area experiences some of the Atlantic coast's highest erosion rates, with measurements showing cliff retreat of up to 24 feet during single winter storms. The bluffs in this area drop 80 feet to the beach. The village developed as a summer resort in the late 1800s when the Nantucket Railroad connected it to Nantucket Town from 1881 to 1918, operating a 7.4-mile narrow-gauge line that carried passengers and freight.

Cape Cod's fishing industry remains concentrated in Chatham on the peninsula's southeastern elbow, where the commercial fleet lands sea scallops, lobster, cod, and flounder. The Chatham Fish Pier Market operates as one of the few remaining retail locations where day-boat catch is sold directly to consumers within hours of landing. Chatham experiences some of the Cape's most severe coastal erosion, with the barrier beach system undergoing complete reconfiguration approximately every 140 years when breaches occur. A breach opened in 2007 at the southern end of Nauset Beach in Orleans, north of Chatham, splitting the barrier and creating a new inlet. This breach widened from 150 feet to over 2,000 feet by 2012, fundamentally altering tidal flow patterns in Pleasant Bay. Previous documented breaches occurred in 1846 and 1987. The shifting barrier beach system creates and eliminates navigation channels, forcing harbor access route changes. The Chatham Light, established in 1808, originally consisted of twin towers until the southern tower was moved to Nauset Beach in Eastham in 1923 to replace that location's failing towers.

The Cape Cod Canal's construction removed millions of cubic yards of glacial till between 1909 and 1914, following centuries of proposals dating to Plymouth Colony in the 1620s. The canal initially operated as a private toll waterway owned by August Belmont's Cape Cod Canal Company until the federal government purchased it in 1928 after the company defaulted. The Army Corps of Engineers widened the canal from its original 100-foot width to the current 480 feet between 1935 and 1940, removing an additional 16 million cubic yards of material. The canal eliminated approximately 135 nautical miles from the route between New York and Boston. Approximately 14,000 vessels transit the canal annually, ranging from tankers and cargo ships to fishing boats and recreational craft. The canal's currents reach velocities of four knots during tidal exchanges. The service road running along both banks totals 14 miles and accommodates walking and cycling, providing views of transiting vessels that pass within 100 feet of the path.

Hyannis serves as Cape Cod's commercial center and primary ferry terminal, with the year-round population of the Greater Hyannis area reaching approximately 45,000. The town functions as the retail and medical services hub for the entire Cape and Islands region. The Kennedy Compound in Hyannis Port consists of three houses on six acres purchased by Joseph P. Kennedy beginning in 1926, serving as the summer residence for multiple generations of the Kennedy family. President John F. Kennedy used the compound as his Summer White House, conducting government business there during his presidency from 1961 to 1963. Barnstable Municipal Airport, located in Hyannis, operates as Cape Cod's primary commercial airport with year-round service to Boston, New York, and other East Coast cities. The airport handled approximately 350,000 passengers in 2019. Cape Cod Hospital in Hyannis contains 259 beds and serves as the only tertiary care facility between Providence and Boston, located 70 miles north.

The Cape Cod Baseball League operates as a collegiate summer baseball league with ten teams spread across Cape Cod, playing a 44-game season from mid-June through August. The league, founded in its modern form in 1963, uses wooden bats and attracts top college players nationwide. Over 1,300 league alumni have played in Major League Baseball, including Carlton Fisk, Thurman Munson, and Craig Biggio. Games are free to attend and draw combined attendance exceeding 350,000 spectators per season. The teams play at community fields including Eldredge Park in Orleans, capacity 3,500, which opened in 1923, and Whitehouse Field in Harwich, which has hosted baseball since 1931.

Cape Cod's geology reflects its formation during the Wisconsin Glaciation period approximately 23,000 years ago when the Laurentide Ice Sheet advanced to its maximum southern extent. The Cape's curved shape traces the terminal moraine deposited where the glacier stopped and began retreating. The outwash plain south of the moraine line created Nantucket and Martha's Vineyard as separate landmasses when sea levels rose following glacial melt. The Cape's soil consists primarily of sand and gravel with minimal organic content and low water retention capacity, requiring the extensive network of kettle ponds formed in depressions left by buried ice blocks to provide groundwater recharge. The Cape Cod aquifer system contains approximately 450 billion gallons of freshwater in a lens floating on denser saltwater below, with the lens thickness ranging from 100 feet in some areas to over 600 feet beneath the central spine of the peninsula. Six independent water districts manage groundwater extraction for the Cape's 230,000 year-round residents, with summer population increases straining infrastructure capacity.