Green turtles return to Aruba's northwestern shallows between March and September, nesting along quiet stretches where limestone cliffs shelter sandy coves from the Atlantic swell. Tres Trapi, a pocket beach north of Eagle Beach, serves as both a nesting ground and year-round foraging zone; juvenile and sub-adult Chelonia mydas graze on seagrass beds between three and eight meters below the surface, surfacing every four to seven minutes to breathe. The same turtles reappear across successive seasons, identified by barnacle patterns and carapace notches logged by the Turtugaruba Foundation since 2013. Aruba's coastline supports approximately two hundred resident green turtles, concentrated along the leeward shore between Arashi Beach and Malmok. Unlike hawksbills, which favor coral reef habitats, greens cluster near sandy substrates where Thalassia testudinum and Syringodium filiforme form dense meadows. Water clarity peaks during morning hours, when offshore winds subside and plankton settle; visibility routinely exceeds twenty meters before 09:00, declining as trade winds pick up by midday. Tres Trapi's three natural rock arches frame the northern boundary of the turtle corridor, and the adjacent Boca Catalina reef—a submerged limestone shelf colonized by brain coral and elkhorn fragments—serves as a secondary feeding site. Catamaran operators anchor in designated zones marked by subsurface buoys, maintaining a fifteen-meter buffer from active nesting areas. Snorkelers enter the water at Tres Trapi's northern edge, where depth drops gradually from wading shallows to chest-deep channels. Turtles tolerate human presence when approached obliquely and at neutral buoyancy; direct pursuit triggers escape dives to the thermocline. The Antje shipwreck, a German freighter scuttled in 1957, lies in eighteen meters of water two kilometers offshore, its steel ribs colonized by encrusting sponges and serving as a cleaning station for reef fish and occasional hawksbill visitors. Sunset departures from Palm Beach Marina align turtle activity with golden-hour light; greens surface more frequently during the hour before dusk, their heads breaking the waterline in slow, deliberate arcs. Open-bar service aboard twin-hulled vessels includes rum punch and Balashi lager, with departure slots at 06:30, 13:00, and 16:30 daily. Morning sailings prioritize turtle encounters at Tres Trapi; afternoon cruises combine Boca Catalina reef exploration with shipwreck descent. Each excursion operates under permits issued by Directie Natuur en Milieu, Aruba's environmental authority, which enforces no-touch protocols and seasonal anchor restrictions during peak nesting months.