Cape May's coastal waters have drawn bottlenose dolphins for centuries, their migratory route tracing the edge of the continental shelf where Delaware Bay meets the Atlantic. The pod that frequents the bay between May and October numbers over two hundred individuals, identifiable by dorsal notches cataloged by marine biologists since 1992. These cruises depart from Miss Chris Marina on Wilson Drive, the same docks that once serviced fishing trawlers hauling menhaden and bluefish before ecotourism reshaped the harbor economy in the late 1980s. Evening departures align with the dolphins' feeding patterns. As water temperatures drop and baitfish schools cluster near the surface, dolphins hunt in coordinated sweeps visible from deck. The species here—Tursiops truncatus—reaches twelve feet in length and dives to depths exceeding three hundred feet, though sightings occur in shallows less than thirty feet deep. Naturalists aboard each vessel track sighting frequency, logging over eight hundred encounters during the 2025 season. The Delaware Bay's brackish gradient creates nutrient upwellings that sustain weakfish, spot, and croaker populations, the dolphins' primary prey. Sunset timing shifts with the calendar. July and August departures catch the golden hour between seven fifteen and eight thirty, when sidelight throws long shadows across the water and illuminates the Victorian rooflines of Cape May's historic district visible from offshore. September and October sailings launch earlier, chasing a six forty-five sunset that paints the western sky in bands of amber and violet. The fleet—restored wooden schooners and modern catamarans—carries vessels certified by the U.S. Coast Guard for passenger capacity ranging from forty-nine to one hundred twenty-five. Each captain holds a six-pack or master license, required for commercial operation in federal waters beyond the three-mile limit. Cape May sunset cruise dolphin tours operate from a single embarkation point, simplifying logistics for visitors arriving from Philadelphia, Baltimore, or the Garden State Parkway corridor. The harbor sits within Cape May's National Historic Landmark district, where gas lamps and clapboard facades date to the 1870s resort boom. Departure times accommodate tidal cycles; ebb tides pull cooler Atlantic water into the bay, triggering the plankton blooms that draw baitfish and, in turn, dolphins. Peak sighting months—July through September—coincide with the species' northward migration, a pattern documented in peer-reviewed marine biology journals and confirmed by drone surveys conducted off Cape May Point.