Do either of these work for you?

Larger Monero group with over 300:

Link to join the group Monero&PrivacyCoin: https://simplex.chat/contact#/?v=1-4&smp=smp%3A%2F%2Fu2dS9sG8nMNURyZwqASV4yROM28Er0luVTx5X1CsMrU%3D%40smp4.simplex.im%2FlG8iICBMC11b1Tvwi5UNhtbBVND4sEdF%23%2F%3Fv%3D1-2%26dh%3DMCowBQYDK2VuAyEAciIsZEcoYgI97bE08qdb3bv9HgE6RK2eVE0FvO7F13M%253D%26srv%3Do5vmywmrnaxalvz6wi3zicyftgio6psuvyniis6gco6bp6ekl4cqj4id.onion&data=%7B%22type%22%3A%22group%22%2C%22groupLinkId%22%3A%22UHBD5vOaGzQ-fnGIvx-6Zw%3D%3D%22%7D

Smaller Monero group with like 40 people:

Invite link to this Group:

https://simplex.chat/contact#/?v=1-4&smp=smp%3A%2F%2Fh--vW7ZSkXPeOUpfxlFGgauQmXNFOzGoizak7Ult7cw%3D%40smp15.simplex.im%2FEmRhJbsEq3sHw2_i7mA92BY545Y5RvNd%23%2F%3Fv%3D1-2%26dh%3DMCowBQYDK2VuAyEAp94qy7ZhPEgIBpymfG8-aPHDC9EJ4nSvMLXjCWxMx3Q%253D%26srv%3Doauu4bgijybyhczbnxtlggo6hiubahmeutaqineuyy23aojpih3dajad.onion&data=%7B%22type%22%3A%22group%22%2C%22groupLinkId%22%3A%22-_hQq6m3Xk-cdQIiwmSDHw%3D%3D%22%7D