Seafaris operates daily boat trips from the Marina of Portimão in search of dolphins and other forms of Algarvian sea life. A new edition to Seafaris fleet of boats, is a glass bottomed hydrofoil. PICK UP information is send, after Online PAYMENT is made. Children Discounts Children up to 2 years old are free of charge (excluding meals). Children between 3 and 10 years old, are entitled to 50% discount off adult price.