15 Landlocked Provinces of the Philippines

12 provinces are in Luzon, none from Visayas and 3 are in Mindanao.

Laguna and Rizal have coastlines on Laguna de Bay, a large lake. Since lakes do not allow access to seaborne trade, they are considered to be landlocked.

Source: Wikipedia - https://goo.gl/1N5yAs

"Landlocked" is a derivative of "File:Blank Philippine map with grouped provinces.svg" by Photo07, used under CC BY-SA 3.0. "Landlocked" is licensed under CC BY-SA 3.0.