Biarritz won a number of major honors, including the French championship on five occasions.

On 13 May 1934, Biarritz Olympique played in the final of the French premiership; they were however, defeated by Aviron Bayonnais 13 points to 8 at Stade des Ponts Jumeaux in Toulouse in front of 18,000 people.

A year later, Biarritz again found themselves in the final of the national championship, this time against USA Perpignan.

In 1992, Biarritz made it to the national final, played at Parc des Princes in Paris.

As well as the success in the Challenge Cup, in the 1999–00 season, they also won the Coupe de France for the first time since 1937, defeating CA Brive 24–13 in the final.

[1] The club finished at the top of their pool In the Heineken Cup, but were eliminated by Irish team Munster, losing 38–29 in the quarter-finals at Thomond Park.

The 2002–03 Heineken Cup was also a success for Biarritz, finishing at the top of their pool standings, they were quarter-finalists, but lost to Leinster 18–13 at Lansdowne Road in Dublin.

More success followed in 2005, where they defeated the Stade Français club 37 points to 34 in the domestic final after a very rugged challenge.

In 2010, after finishing atop their pool, Biarritz defeated Ospreys and Munster, both at the Anoeta, and lost a hard-fought Heineken Cup final to Toulouse, 21–19, at Stade de France in Saint-Denis on Saturday, 22 May.

On 18 May 2012, Biarritz beat Top 14 rivals Toulon 21-18 in the 2012 Amlin Challenge Cup Final at Twickenham Stoop.

Apart from Biarritz home games, the ground also hosted an international between the French Barbarians and Argentina.

Biarritz sometimes move larger games across the border to Estadio Anoeta in Donostia/San Sebastián, Spain.

The Anoeta is the nearest stadium to Biarritz with a suitable capacity for matches such as a Heineken Cup semi-final, which must be played at a venue which can hold at least 20,000 spectators.

They also played both of their knockout matches leading up to the 2010 Heineken Cup final at the Anoeta, defeating Ospreys in the quarter-finals and Munster in the semi-finals.

The Parc des Sports Aguilera is considered an intimidating venue to play at, with Biarritz supporters having a reputation for being very vocal.

[3] The Biarritz squad for the 2024–25 season is:[4] Note: Flags indicate national union under World Rugby eligibility rules.

The Biarritz Olympique Espoirs squad is:[5] Note: Flags indicate national union under World Rugby eligibility rules.