Doha takes its name from al-dawha, the Arabic word for the rounded bay the city curls around, and for most of its history that bay was a workplace rather than a playground. Until the 1930s, Qatar's economy floated on pearl diving. Wooden dhows left the shallows each summer with crews of forty or more, and divers worked the oyster beds of the Arabian Gulf on a single held breath. The collapse of the natural pearl market, undercut by Japanese cultured pearls, ended the trade within a generation. The water a jet ski tour doha now crosses was charted long before by men who knew every sandbar by name. The shoreline changed shape after oil. Land reclamation pushed the Corniche into a seven-kilometre crescent through the 1970s and 1980s, hardening the old tidal flats into a promenade. West Bay rose behind it from the 1990s onward — the Aspire Tower, Doha Tower, the Burj Qatar cluster — giving the bay the glass horizon that frames every view from the water and making that skyline the most photographed of Doha's waterfront landmarks. I. M. Pei's Museum of Islamic Art opened in 2008 on its own reclaimed island at the southern end, a limestone cube the architect sited offshore so nothing could ever be built against it. Katara Cultural Village, on the northern arc of the bay, opened in 2010 as the counterweight to all that glass. Its lanes are deliberately narrow and sand-coloured, its wind towers functional rather than ornamental, its amphitheatre a 5,000-seat hybrid of Greco-Roman form and Islamic detail. The spiral minaret of the Katara mosque borrows directly from ninth-century Samarra. Behind the dunes sits Katara Beach, the launch point for most jet ski tour doha tours and the one stretch of the northern shore where the city reads as a single continuous line on an Arabian Gulf coastal ride. That geography explains the appeal. Doha Bay is shallow, sheltered and almost tideless, its water warm into November, its sightlines running uninterrupted from the Museum of Islamic Art to The Pearl-Qatar. A Doha Bay jet ski ride is, in effect, a reading of the city's last sixty years from the one angle its builders never controlled. Visitors holding jet ski tour doha tickets inherit the same working water the pearl fleets left behind, now measured in minutes of throttle rather than seasons of diving.