It is the second time in a month that Pyongyang has carried out such drills.
Last time, the exercises led to an exchange of artillery fire between North and South Korea.
But on this occasion, North Korea's live rounds fell short of the disputed western sea border and so South Korea did not respond.
"The North's shells fell in waters about 3km (2 miles) north of the NLL [Northern Limit Line, the disputed border]," Yonhap news agency quoted a spokesman from the South's Joint Chiefs of Staff as saying.
"The South Korean military is currently monitoring North Korean artillery units, while maintaining high military readiness."
South Korea's defence ministry said it was notified early on Tuesday that drills would take place near islands west of the Korean peninsula.
Firing began around 14:00 (05:00GMT), with around 50 shells fired at two locations, Yonhap said.
Warship sunkThe western sea border has long been a flashpoint between the two Koreas. The UN drew the border after the Korean War, but North Korea has never recognised it.
A similar North Korean exercise at the end of March resulted in the two sides exchanging hundreds of rounds of artillery fire, after South Korea said rounds landed in its territory.
Border islands in the area where the exercises took place are also hotspots.
In November 2010, North Korea fired shells at Yeonpyeong, killing two marines and two civilians, in what it said was a response to South Korean military exercises.
Earlier that year, a South Korean warship sank near Baengnyeong island with the loss of 46 lives. Seoul says Pyongyang torpedoed the vessel but North Korea denies any role in the incident.
Residents on all five islands were told to move to evacuation centres during the drill, Yonhap said.
Test fearsThis latest move from North Korea comes as satellite images suggest Pyongyang could be preparing to carry out a nuclear test.
South Korea's military said it had recently detected "a lot of activity" at the North's Punggye-ri test site.
The test, if it went ahead, would be Pyongyang's fourth, after tests in 2006, 2009 and 2013.
UN Security Council resolution 1718, passed in October 2006 after the first nuclear test, bans North Korea from nuclear and missile tests.
The live-fire drill also follows President Barack Obama's visit to South Korea last week, which was strongly opposed by North Korea.
Washington has led calls for Pyongyang to abandon its nuclear weapons programme.
In a statement on Monday, North Korea launched one of its strongest attacks on the South Korean leader, President Park Geun-hye, calling her a "despicable prostitute" who pandered to her "pimp", Mr Obama.
South Korea described the comments as "foul words".
The Happy Camp Slide is located between Oceanside and Netarts on Highway 131 just north of Happy Camp Road. Oceanside residents have had to use the Cape Mears Loop Road as a detour during the slide repair work since early July. Lou Torres, a spokesman for ODOT on the north Oregon coast, said there are still a few weeks left for this project. Initial estimates were that the project would end around July 26, but it’s turned out to be much more complex and It is a much more complex project than usual and some surprises awaited ODOT and geologists.“ODOT might take two years to plan and build such a project,” Torres said. “But this was an emergency and we didn't have time to handle this as a normal project.”The slide turned out to be more serious than previously thought, and it required that ODOT work on it now, during the drier season, because of future dangers the slide presented.
It required draining the area of water, excavating several hundred tons of material and more.“What slowed down the contractor for two weeks was the amount of water that kept flowing from the hillside in to the area where they were excavating.” Torres said. “The contractor had to establish a ‘de-watering’ process with the drilling of several wells that helped to capture much of the water. During this period, the slide activity accelerated and we decided to go to 24-7 operations. This has been a complex and challenging project.”Currently, the only way into and out of Oceanside is taking Bayocean Road from Tillamook and then going south on the Three Capes Loop, past Cape Meares Lighthouse. Netarts is still accessed by Highway 131 from Tillamook.
Aerial views of Tillamook Rock Lighthouse, via Aviation Adventures(Seaside, Oregon) – How would you like to take an airplane ride over the famed Tillamook Rock Lighthouse, or see the Columbia River mouth and its many features from over 1,000 feet in the air? Or how would you like to hover over the top of Haystack Rock, Seaside’s cove area or the top of Tillamook Head in a helicopter?
Above the ocean in Seaside HelicoptersAboard Seaside Helicopters, pilot/owner Gary Turel zips you around the shores of Cannon Beach, the peaks of Tillamook Head and above the resort town of Seaside at about 100-plus miles an hour. Various plans take you to various places. They start at $35 per person for the Seaside tour, $69 per person for the Cannon Beach tour to a stunning Sunset tour for $175 per person. Other options include wildlife tours and other combinations. All flights have at least a two-person minimum.
Seaside and the Turnaround from Seaside HelicoptersMost incredible is approaching the tip of Tillamook Head as Gary points out a rocky arch sitting offshore called "Goonies Rock," which was featured in the movie "Goonies." Remember that scene near the end where the kids took a key and matched it to a rock structure with a hole in it? That rock is now named after the movie, visible from Indian Beach. 
Goonie's Rock - from Seaside Helicopters
Above Haystack Rock in Aviation AdventuresOften, Sprague says, people take the northward tour, which takes people up beyond Astoria, to Dismal Nitch, Young’s Bay and then back to the beaches of Seaside, for a quick swing around Terrible Tilly – the legendary lighthouse that sits a mile offshore. Other tours involve extensive, detailed looks at the varied and nearly endless nooks and crannies in the cliffs and beaches of Cannon Beach, Hug Point, Arch Cape, Short Sand Beach, Cape Falcon, Neahkahnie Mountain and Manzanita. You also get extensive glimpses of the shoreline along six-mile long Tillamook Head – which are, of course, never visible to the average tourist.
Hidden sea caves visible around Manzanita, from Aviation Adventures
You’ll witness enormous sea caves you can’t see otherwise, or hidden cliffs and structures lurking around landmarks that are normally familiar to you, things unseen except from this vantage point. Especially remarkable is when Sprague swings around Tillamook Rock Lighthouse several times, and you can glimpse this ancient beauty – now a bird sanctuary and columbarium – from an unusual and unforgettable angle. You actually get a good look at details and features that generations of beachgoers have dreamed about when gazing at that mysterious figure in the distance.
Inn at Cannon Beach. Beautifully wooded natural setting at quiet south end of Cannon Beach. Great during winter storms with a new book by the fireplace – or when the sun is out for family fun and beach strolling. Handsome beach cottage-style architecture. Lush flowering gardens and naturalized courtyard pond. Warm, inviting guest rooms. Continental buffet breakfast. Warm Cookies. Family and Pet Friendly. Welcome gifts. Smoke-free. Complimentary Wireless Connectivity. Wine and book signing events. 800-321-6304 or 503-436-9085. Hemlock At Surfcrest, Cannon Beach, Oregon. http://www.atcannonbeach.com/.
Prepare for Freaky, Creepy Mole Crabs on Oregon Coast Beaches The little critters make the tideline bubble and feel really weird as they run across your feet
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Dining outdoors at Cannon Beach Fultano's, one of the eateries featured in the recipe book.(Cannon Beach, Oregon) - One entity is publishing a cookbook of recipes from Cannon Beach eateries, while another restaurant has promoted one of its own to sous chef. The north Oregon coast town - an hour's drive from Portland, Oregon - is sizzling with new developments in its dining realm. Ever eat at a favorite restaurant and wish you could have the recipe for that delicious dish? The newest Cannon Beach History Center publication, A Taste Of Cannon Beach, allows you to do just that. A collaboration of efforts by the History Center and local restaurants, the spiral-bound cookbook sells for $15 and contains 72 pages of recipes provided by well-known local restaurants and food businesses. An added bonus is the story behind each establishment.Designed to be a winner for the History Center, the restaurants, and tourists of the famed beach community, the cookbook allows visitors to take a bit of Cannon Beach cuisine home with them.Recipes range from scrumptious coffee drinks to soups, from seafood and chicken entreés to desserts, from cookies to crab cakes - a little bit of everything sure to please diverse and discerning tastes.
Exquisite desserts at Newman's at 988.The cookbook features many of the eateries in town, including Cannon Beach Fultano’s Pizza and The Wayfarer.Copies are available at the History Center and at various Cannon Beach restaurants and businesses. You can also call the History Center to order copies or have them mailed to you. Call (503) 436-9301.The Cannon Beach History Center and Museum is located at the corner of Spruce and Sunset in Cannon Beach.
Nicknamed “Sparky” by Newman, he said Hearing is “positive, calm, enthusiastic and very attentive to the guest’s needs.” Prior to coming to Newmans at 988, Hearing worked at Bon Appetite and Red Robin. She can also be found working as a barista in the mornings at Bella Espresso in Cannon Beach. Hearing enjoys spending time with her dog, Penny Lane and would like to travel to Turkey in the coming year. “We are extremely excited and encouraged to see Faitha’s growth and look forward to the coming years,” Newman said. “The cuisine from the kitchen at Newmans at 988 will continue to be the finest on the coast.”
Inn at Cannon Beach. Beautifully wooded natural setting at quiet south end of Cannon Beach. Great during winter storms with a new book by the fireplace – or when the sun is out for family fun and beach strolling. Handsome beach cottage-style architecture. Lush flowering gardens and naturalized courtyard pond. Warm, inviting guest rooms. Continental buffet breakfast. Warm Cookies. Family and Pet Friendly. Welcome gifts. Smoke-free. Complimentary Wireless Connectivity. Wine and book signing events. 800-321-6304 or 503-436-9085. Hemlock At Surfcrest, Cannon Beach, Oregon. http://www.atcannonbeach.com/.
Tradewinds Motel, Rockaway Beach. All rooms are immaculate and have TV’s, VCR’s and in-room phones w/ data ports. Oceanfronts have queen bed, a double hide-a-bed, kitchen, cozy firelog fireplace and private deck. Both types sleep up to four people. Others are appointed for a two-person romantic getaway, yet still perfect for those on a budget. Elaborate oceanfront Jacuzzi suite has two bedrooms, kitchen, double hide-a-bed, fireplace and private deck, sleeping as many as six. For family reunions or large gatherings such as weddings, some rooms can connect to create two-room and three-room suites. Some rooms pet friendly. 523 N. Pacific St., Rockaway Beach. (503) 355-2112 - 1-800-824-0938. www.tradewinds-motel.com
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