[2][6] In October 2018 he obtained dual Israeli citizenship, aiming to bolster Israel's baseball team in their quest to qualify for the 2020 Olympics.

[9][10] He was also named the 2010 Louisville Slugger New York Player of the Year, a 2011 Louisville Slugger All-American, a two-time State Player of the Year by the New York Sportswriters, a two-time All-State pick, and a three-time All-Section and All-League honoree.

[10] As a senior he was 6-1 as a pitcher with a 1.22 ERA, and had 59 strikeouts and gave up five walks in 40 innings, while as a batter he hit .492 with 20 RBIs.

[12] On June 22, 2017, de Marte signed with the Normal CornBelters of the Frontier League, for whom in 2017 he was 2–1 with a 5.53 ERA in 20 appearances, while striking out 36 batters in 27+2⁄3 innings.

[1][14] On September 6, 2018, de Marte signed with the York Revolution of the Atlantic League of Professional Baseball.

[11] He signed a non-binding contract to play for the Perth Heat in the Australian Baseball League in the beginning of 2020.

[18][6] De Marte competed on the Israel national baseball team for qualification for the 2020 Olympics.

[19] He pitched in relief in two games as the team played in the 2019 European Baseball Championship - B-Pool in early July 2019 in Blagoevgrad, Bulgaria, winning all of its games and advancing to the playoffs against Team Lithuania in the 2019 Playoff Series at the end of July 2019 for the last qualifying spot for the 2019 European Baseball Championship.