Question: What is the area of the Island that Wailoa River State Recreation Area is on?

Context paragraphs:
Deam Lake State Recreation Area: Deam Lake State Recreation Area is an Indiana State Recreation Area in Clark County, Indiana in the United States.  The park is 1300 acre and sits at an elevation of 535 ft .  Deam Lake State Recreation area is open for year-round recreation, however the campground closes each year from the Sunday before Thanksgiving to March 1 of the following year.  Much of the recreation is centered on Deam Lake.  It is named for Charles C. Deam, the first state forester of Indiana.

Franks Tract State Recreation Area: Franks Tract State Recreation Area is a state park unit of California, USA, featuring a flooded area in the Sacramento–San Joaquin River Delta.  It is accessible only by water.  Franks Tract is situated between the False River and Bethel Island.  The recreation area is used primarily for fishing and waterfowl hunting.  In times of high water, the entire site can be submerged except for portions of the old levees.  The 3523 acre park was established in 1959.  It is managed from nearby Brannan Island State Recreation Area, 6 mi to the northwest.

Pinckney State Recreation Area: Pinckney State Recreation Area is a Michigan state recreation area in Dexter, Sylvan and Lyndon Townships, Washtenaw County and Putnam and Unadilla Townships, Livingston County in the U.S. state of Michigan.  The park is 11000 acre and sits at an elevation of 922 ft .  The park is connected to the nearby Waterloo State Recreation Area by the 35 mi Waterloo–Pinckney Trail.  Pinckney State Recreation Area is open for year-round recreation including hiking, fishing, swimming, hunting and a variety of winter sports.

Hawaii (island): Hawaiʻi ( ; ] ) is the largest island located in the U.S. state of Hawaii.  It is the largest and the southeastern-most of the Hawaiian Islands, a chain of volcanic islands in the North Pacific Ocean.  With an area of 4028 sqmi , it is larger than all of the other islands in the archipelago combined and is the largest island in the United States.  However, it only has 13% of Hawaii's people.  The island of Hawaii is the third largest island in Polynesia, behind the two main islands of New Zealand.

Cuyuna Country State Recreation Area: Cuyuna Country State Recreation Area is a state park unit of Minnesota, USA, being developed to rehabilitate a portion of the Cuyuna Range where mining pits and piles of waste rock were left behind after decades of open-pit mining for iron ore.  Abandoned by mining companies more than 20 years ago, the state recreation area consists of regenerated vegetation and clear lakes that draw a wide range of recreation enthusiasts.  The park is located off Minnesota State Highway 210, northeast of Brainerd.  The Croft Mine Historical Park, formerly city-run, is now part of the state recreation area.

Red River State Recreation Area: Red River State Recreation Area is part of the Greater Grand Forks Greenway and is located in the city of East Grand Forks, Minnesota on the banks of the Red River of the North and the Red Lake River.  The State Recreation Area is owned and managed by the Minnesota Department of Natural Resources.

Candlestick Point State Recreation Area: Candlestick Point State Recreation Area (or simply Candlestick Point) is a state park unit of California, USA, providing an urban protected area on San Francisco Bay.  The park is located at the southeastern tip of San Francisco immediately south of Hunters Point and 2 mi north of Sierra Point in Brisbane.  This 170 acre landfilled area was intended to be used during World War II as a shipyard by the United States Navy.  However it was abandoned as the war ended.  Without government controls, the area was used by nearby residences as a garbage dump.  In 1973 the California State Legislature purchased the land with $10 million and in 1977 voted to turn this area into a state recreation area.  After the designation Candlestick became the first urban recreation area in the state.  To this day Candlestick remains as a major recreation area in San Francisco, offering a wide view of the bay.  The park features various picnic areas, two fishing piers, fitness courses as well as hiking trails.  This park is also a popular area for windsurfing because of strong wind.

Wailoa River State Recreation Area: The Wailoa River State Recreation Area is a park in Hilo, on Hawaiʻ i Island in the US state of Hawaii.

Menominee River State Park and Recreation Area: Menominee River State Park and Recreation Area is a state park unit of Wisconsin, United States, in development along the Menominee River.  It was created in 2010 in conjunction with the Menominee River State Recreation Area on the Michigan side of the border river.  The Wisconsin park is located in the towns of Niagara, Pembine, and Beecher in Marinette County in northeast Wisconsin.  The 6563 acre park comprises an undeveloped northern unit and a southern portion with primitive hiking trails and canoe/walk-in campsites.

Chena River State Recreation Area: Chena River State Recreation Area is a 254080 acre state park in the U.S. state of Alaska, located east of Fairbanks.  The recreation area is centered on the Chena River.  Facilities include campgrounds, hiking, ATV, snowmachine and sled dog trails, a shooting range, fishing ponds, and several public-use cabins.  Fishing for Arctic grayling is catch-and-release only in the river, but visitors may keep grayling caught in the three stocked ponds.  The area is also noted for several concentrations of granite tors.  The road through the recreation area ends at the privately owned and operated Chena Hot Springs resort.

Supporting paragraphs: Wailoa River State Recreation Area Hawaii (island)
Answer: 4028 sqmi