Here are the top legal sports betting sites in Ontario (2025) plus quick notes to help you choose. All listed operators below are licensed to take bets in Ontario through iGaming Ontario / AGCO according to recent market trackers and reviews. (Gambling.com)

Top picks (what each is best for)

• bet365 — Best all‑round: deep markets, excellent live betting and in‑play options. (Gambling.com)
• DraftKings — Best for DFS + sportsbook integration and a polished mobile app. (Gambling.com)
• FanDuel — Big brand, strong promos and easy app experience for North American sports. (Covers.com)
• BetMGM — Wide market coverage, solid promotions and reliable app. (Gambling.com)
• PointsBet — Innovative wager types (e.g., PointsBetting) and strong North American sports coverage. (theoddscalculator.com)
• Sports Interaction — Canadian-owned option; good local focus and customer service. (theoddscalculator.com)
• BetVictor / Betsafe / LeoVegas / Caesars — Each is a strong contender for odds, niche markets, fast payouts or app quality depending on which you prioritise. (time2play.com)
• Ontario‑only/provincial option: PROLINE+ (operated by OLG) — government-run alternative with unique markets. (Covers.com)

How I ranked these (short)

• Legality/licence in Ontario (must): confirmed iGaming Ontario / AGCO registration. (Covers.com)
• Market depth, app quality, promos, payment options, and payout speed — based on recent 2025 reviews and aggregators. (Gambling.com)

Quick practical tips

• Age and ID: You must be 19+ in Ontario and will need ID to verify your account. (Covers.com)
• Payments: Most Ontario sportsbooks support Interac e‑Transfer, debit/credit and some e‑wallets — check each book for withdrawals/payout times. (Gambling.com)
• Bonuses: Welcome offers vary (free bets, bet credits, boosted odds). Read rollover/wagering and expiry terms carefully. (Gambling.com)
• Responsible gambling: Use site limits and provincial resources if needed. Licensed sites are required to provide RG tools. (Covers.com)

If you want, I can:

• Compare 3 specific sportsbooks side‑by‑side (odds, deposit methods, signup offer, withdrawal times), or
• Show current welcome offers for any two sites you pick (I’ll fetch the latest promos).

Which two or three sites should I compare for you?