Marina Greenwich sits at the southern edge of Altea's historic waterfront, a concrete breakwater development completed in 2003 that replaced the town's aging fishing slips with berths for recreational vessels and a launch point for powered water sports. The facility's western jetty extends 180 metres into the bay, sheltering a basin that remains calm even when afternoon winds reach fifteen knots across the open water. Location jet ski altea operations anchor here because the marina's orientation offers direct access to the coastline stretching north toward Cap Negret and south past the cliffs of Morro de Toix, a limestone headland rising 332 metres that marks the boundary between Altea and Calpe. The Mediterranean along this segment of the Costa Blanca maintains an average summer surface temperature of 24 degrees Celsius, with visibility extending beyond ten metres on windless mornings when sediment settles overnight. Jet ski routes typically follow the shoreline at distances between 200 and 500 metres, threading between the designated swimming zones marked by yellow buoys and the deeper channels used by charter boats departing for Benidorm. The Morro de Toix cliff face, visible from most points along the northern arc, serves as both a navigational landmark and a turnaround marker for thirty-minute excursions, its pale rock strata contrasting sharply with the darker volcanic outcrops near the base. Altea's coastal geography—steep hills descending abruptly to a narrow littoral shelf—means that jet ski tours operate in water depths ranging from eight metres near the marina to forty metres just 500 metres offshore. Rental operators schedule departures between 10:00 and 17:00 to align with optimal wind conditions; the prevailing easterly breeze that moderates afternoon heat also generates chop that builds through the late afternoon, making early and midday slots preferable for first-time riders. Each jet ski accommodates a maximum of two passengers, with the rear seat positioned slightly higher to provide sightlines over the pilot's shoulder during navigation. The excursion model introduced to Altea in the early 2010s follows a guided convoy format rather than solo rental, a regulatory framework adopted after incidents involving untrained riders straying into restricted zones near Benidorm Island. Groups depart at staggered fifteen-minute intervals, led by an instructor on a lead craft who sets the pace and route, maintaining VHF radio contact with the marina throughout. This structure allows riders with varying experience levels to participate while keeping the fleet within a defined corridor that avoids both the shallow reef zones extending from Cap Negret and the ferry lanes servicing the offshore platforms.