Contact the Aquarium Have Questions about our Aquarium? Please contact us at your convenience for any questions with respect to our park, attractions, encounters, or anything related to the Middle Florida Keys and Marathon! Buy Your Tickets Today Address11710 Overseas Highway Marathon, FL 33050 Phone305-407-3262 Emailinfo@floridakeysaquariumencounters.com HoursMonday – Sunday 9 AM – 5 PM Send a note: First Name Last Name Email PhoneMessageCAPTCHA