Enjoy the picturesque coast of the perth area on a 1 or 15 hour jet ski tour around cockburn sound and garden island just south of the city as you cruise across the water keep your eyes peeled for sightings of native wildlife like dolphins and sea lions tours are limited to three jet skis plus one instructor guide on his or her own jet ski each watercraft can hold up to two people max so up to six people can take the tour at the same time you have two tour options when bookingthe eco t