Charter Available Up To 450 Guests Or BYO Vessel. Book Online To Save. Bass & Flinders Cruises operate schedule & charter cruises on Sydney's waterways - Sydney Harbour, Georges River & Botany Bay.. Seating Capacity: 200 - 499. Location: Botanic Gardens. Service: Catering. Meal: Dinner, Lunch. Offering: BYO. Occasion: Anniversaries, Birthdays, Christmas Parties, Engagements, Parties, Weddings. Function: Corporate Events, Private Parties, Receptions. Ownership: Locally Operated