Sulvec Watchtower is located in Narvacan, Ilocos Sur, Philippines. This sturdy, magnificent structure was built by the Spaniards as lookout points for impending pirates. Source:Ilocossur.com.ph

Off the southern town of Oslob in Cebu Province is Sumilon Island. Sumilon, which means "take refuge" covers a 24-hectare land filled with tropical greens and blessed with an abundant marine life.  There are various activities one can enjoy in this island. Most of which are related to aquatic sports. Actually, the island is known as the most popular diving spot in Visayas region due to its astonishing underwater views. It's 39-hectare marine sanctuary serves as a home to thousands of aquatic species and a perfect dive site for tourists.  The island also has a lagoon that is surrounded by natural mangroves. It's virgin beachfront has nothing but fine white sands and crystal blue waters - perfect for day trippers to have an amazing day in the sun. Indeed, it's nature and adventure all in one in Sumilon island.  Source: Maps of the World

Sun-Ok Fish Sanctuary is located in Pintuyan, Southern Leyte. The sanctuary is situated below an imposing rock edifice.  It hosts a variety of marine life: distinct coral formations inhabited by large species of fish.  The place is an interesting dive site because of the fully rehabilitated soft and hard corals along cracks and crevices. The rock edifice is also ideal for rock climbing. How to get to Sun-Ok Fish SanctuaryIt is accessibly by a motorized banca in about two hours from Maasin. Transportation to the place should be arranged first with private operators.  Source:Cuasglobal.net

Sundials is located in Tagudin, Ilocos Sur.  Built by the Spaniards in 1841 and 1948, these two sundials, one in front of the Tagudin Municipal Hall and the other at the courtyard of the church, are still in use.  Source:Ilocossur.com.ph

Sungang View Pointis located in Tabuk, Kalinga, Philippines. The viewpoint affords a majestic view of the valleys villages and mountains of Tinglayan, Tanudan, Tabuk and Lubuangan. A very good view of the Tulgao and Dananao Rice Terraces can be seen at the view point. Source:nscb.gov.ph

Sungawan Cave is located in Pagbilao, Quezon, Philippines.  The Sungawan Cave got its name probably from its many holes or "windows" - literally sungawan- a hole to look through or emerge from.  The cave becomes a picnic spot usually during the lenten season only. It is a nice place for adventurers who want an uncrowded leisure spot. The water is so cold and relaxing.  The mouth of Sungawan Cave is where Bangkatan River emerges from. One of the numerous holes where one can take a peek inside the cave (another meaning of Sungawan). You can even jump into this hole to go inside the cave. The experience can be breathtaking. Source:Tourism.qzn.phWaypoints.ph

This natural wonder offers a view of the white foamy water cascading through a formation of large rocks. There are cottages within the area where tourists can stay. Trails are prepared to aid guests in walking in the forest's terrain. HOW TO GET THERE Sungkilaw Falls is a 25-minute hike from the OISCA Children's Forest Park. Source:Dipolog Official Websitehoparound.net 

The Sunken Cemetery was originally a cemetery that was part of Camiguin. During Mount Vulcan's third eruption in 1871, the town of Cotta Bato and its cemetery was buried under the sea. When Mount Vulcan erupted again in 1948, the cemetery was pushed 20 feet deeper. Because the cemetery could not be located, a large cross was built in 1982 on top of the solidified lava to mark the location of the graveyard. HOW TO GET THERE The Sunken Cemetery is near the Catarman Church Ruins. Source:Mukamo   

Sunken Island is one of the several prime dive spots in Cebu. Sunken island is as its name suggests, a sunken island set in the middle of the Tañon Straight.   The summit, at 25 meters, is reached through free water down a line. It provides a home and a hunting ground for a plethora of marine life. Shoals of mackerel and tuna hang around in the blue, with visits from grey sharks and reef sharks. Turtles appear on occasions, but there is always a frog fish or two sitting around on a coral. Remarkably large lionfish glide along the path ways in the coral adding an Elizabethan touch to the scene with their extravagant fins.Sunken Island for experienced divers only. Due to the tides, a strong current is often present.  Source:Quo Vadis

Witness the sky change its color as the sun sets during late afternoon. You can also see the sky's reflection on the sea making the sight breathtaking. HOW TO GET THERE Punta Abijod is located in Barangay Baon. It is accessible to any kind of vehicle. You can ride a jeepney or a motorcycle to the place. Travel time will only take around 5 to 10 minutes.  Source:Official Website of San Isidro