In May 2011, he was called up for the Grenadian national team for the upcoming CONCACAF Gold Cup. Straker played in two pre-tournament friendlies, including his debut in a 2–2 home draw with Antigua and Barbuda on 27 May 2011. He made his competitive debut for Grenada in their first match in the Gold Cup, a 4–0 loss to Jamaica at the Home Depot Center on 6 June 2011. Straker played in their two remaining group stage fixtures, a 7–1 defeat to Honduras at the FIU Stadium on 10 June 2011 and a 4–0 defeat to Guatemala at the Red Bull Arena on 13 June. He played in Grenada's three 2012 Caribbean Cup qualification second round matches, although they missed out on qualifying for the tournament after finishing in third place in their group on goal difference. He scored his first international goal with a 33rd-minute penalty kick in Grenada's 3–1 home defeat to Haiti in a 2018 FIFA World Cup qualifier on 4 September 2015.