Experience the Hidden Beach and Marietas Islands with Eco Explorer Guaranteed 99% access to the Hidden Beach, thanks to more boats and permits than other providers. While access isn’t guaranteed due to weather conditions, we do our best to secure entry. Plastic-free park: Bring your own reusable water bottle as part of our commitment to conservation. Comfortable, fast, and safe boats with expert guides to assist you on board, during water activities, and at the Hidden Beach. Available Tuesday to Sunday. A $30 deposit is required and refundable if access is denied due to weather or natural conditions. Private Tour Option: 100% guaranteed access for up to 4 guests, unless weather prevents entry. Additional guests can be added for an extra cost—just let us know. Tour Highlights: Snorkeling, bird watching, and exploring the stunning Marietas Islands.