You can get to Gorontalo (North Sulawesi) by plane from Manado and Jakarta. You can also get to Gorontalo by land from Manado (12h+). From Manado you have many domestic flights, and one to Singapore.
Via Gorontalo is the easiest, and my recommended, way of getting to the Togians. Allow, at least, one night in Gorontalo, if you can. Hotels in Gorontalo are the only places in North Sulawesi where you can get updated information about ferries to the Toggians.
In the picture you have the main beach in Kadidiri, where the three resorts of the island are.
♥ Visit Tagulandang Island ♥